N° 66, 2011 pp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ÓN.– I. EFICACIA VINCULANTE DE LOS CONTRATOS DE LAS ENTIDADES ESTATALES.– II. LA MUTABILIDAD DE LOS CONTRATOS DE LA ADMINISTRACIÓN.– III. LOS MODOS DE LA MODIFICACIÓN CONTRACTUAL.– IV. LOS MOTIVOS DE LA MODIFICACIÓN CONTRACTUAL.– V. LOS FINES DEBIDOS DE LA MODIFICACIÓN CONTRACTUAL.– VI. LOS LÍMITES DE LA MODIFICACIÓN DE LOS CONTRATOS.– VII. MODIFICACIONES IMPUESTAS POR EL DERECHO.– VIII. LAS “TEORÍAS” SOBRE EL MANTENIMIENTO DE LA ECUACIÓN ECONÓMICO–FINANCIERA DE LOS CONTRATOS DE LA ADMINISTRACIÓN.– IX. ADMISIÓN DE LA MUTABILIDAD DE LOS CONTRATOS DE LA ADMINISTRACIÓN POR EL TRIBUNAL DE CUENTAS DE LA REPÚBLICA.– X. CONCLUSIÓN. ! 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Derecho PUCP, N°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ÓN EN EL DERECHO URUGUAYO ?).+(*)@+2#+'%,2)+,)-+#,%(.")+(&+I.%$!-#&+'(+&)+G)-"(-,%)*)+J'/%-%*".#< "%=)+,)-+.(*:(,")+#+&)*+,)-".#")*+'(+&#+#'/%-%*".#,%0-R MUTABILITY OF MANAGEMENT 1(=%(-(-+:(.5(,"#/(-"(+#:&%,#$&(*+#&+,#*)@+&)*+:.%-,%:%)*+3(-(.#&(*+'(+ CONTRACTS IN URUGUAYAN LAW &#+,)-".#"#,%0-+/#-(C#')*+(-+&#+(*5(.#+:.%=#'#@+"#&(*+,)/)+(&+'(+B!(+(&+ ,)-".#")+^(*+&#+&(4+'(+&#*+:#."(*_+4+(&+'(+B!(+&)*+,)-".#")*+-)+*0&)+'($(-+ ,(&($.#.*(@+*%-)+"#/$%X-+,!/:&%.*(+'(+$!(-#+5(>+I#&(*+:.%-,%:%)*@+(-+(&+ "(..(-)+'(+&#+J'/%-%*".#,%0-+?`$&%,#@+*0&)+,('(-+#-"(+!-+"(A")+,&#.)@+ (A:.(*)@+4+'(*'(+&!(3)+#:&%,#$&(+#&+,#*)+abcW> \! 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Derecho PUCP, N° 66, 2011 / ISSN 0251-3420 J U A N PA B L O C A J A R V I L L E P E L U F F O 8&+ I.%$!-#&+ '(+ G!(-"#*+ '(+ &#+ d(:`$&%,#NY+ #'):"0+ 2#,(+ :),)*+ #e)*+ !-#+ :)*%,%0-+ *%-3!&#./(-"(+ .93%'#+ *)$.(+ &#+ (5%,#,%#+ =%-,!&#-"(+ '(+ &)*+ KK[ ,)-".#")*+'(+&#+#'/%-%*".#,%0-+#&+#5%./#.+&#+(A%*"(-,%#+'(+!-+P:.%-,%:%)+ '(+%-/!"#$%&%'#'Q+'(+"#&(*+,)-".#")*> J*9@+:).+(C(/:&)@+:#.#+,%"#.+!-+,#*)+'(+:`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e#&#')+,)/)+(A,(:,%0-+&#+ &&#/#'#+P"().9#+'(+&#+%/:.(=%*%0-Q+E,)-*%'(.#-')+NNF@+#5%./0+B!(+P-)+*(+ 2#-+,)-5%3!.#')+&)*+.(B!%*%")*+B!(+&#+'),".%-#+/;*+.(,%$%'#+(A%3(+:#.#+ &#+#:&%,#,%0-+'(+&#+"().9#+'(+&#+%/:.(=%*%0-@+(-+*!/#+*(+,)-".#=%(-(+(&+ :.%-,%:%)+'(+%-/!"#$%&%'#'+'(+&)*+G)-".#")*+'(+&#+J'/%-%*".#,%0-+B!(+ 3#.#-"%M#+(&+.(*:(")+#&+:.%-,%:%)+'(+%3!#&'#'+'(+&)*+)5(.(-"(*@+(-+/X.%")+ #+&)*+5!-'#/(-")*+4#+*(e#&#')*Q+E,)-*%'(.#-')+N[F>+D%-#&/(-"(+E,)-*%< '(.#-')+NWF@+,)-,&!40R+ J U A N PA B L O C A J A R V I L L E P E L U F F O abc+B!(+&#+/!"#$%&%'#'+'(+&#*+-)./#*+*0&)+:!('(+*(.+#,(:"#'#+(-+"#-< ")+&#+/%*/#+*(#+:.(=%*"#+'(+#-"(/#-)+:).+(&+).'(-#/%(-")+C!.9'%,)+4+ *%(/:.(+B!(+-)+2#4#-+'(.(,2)*+'(+"(.,(.)*+#5(,"#')*+E,)-5)./(+\)")+ f&)**@+)$>+,%">+:;3%-#+TTUF+a*%,c>+\%+$%(-+(-".(+&#*+(A,(:,%)-(*+#&+:.%-,%< :%)+'(+%-/!"#$%&%'#'+'(+&)*+,)-".#")*+,)-*#3.#')+:).+(&+J."9,!&)+NTWN+ '(&+G0'%3)+G%=%&+*(+(-,!(-".#+&#+:.(,('(-"(/(-"(+,%"#'#+"().9#+'(+&#+ %/:.(=%*%0-@+(-+(&+,#*)+-)+*(+,)-5%3!.#-+&#*+,#.#,"(.9*"%,#*+.(B!(.%'#*+ :).+&#+'),".%-#+:#.#+*!+#:&%,#,%0-+E,)-*%'(.#-')+NUF> d(%"(.0+*!+:)*%,%0-+(&+TY+'(+/#4)+'(+TYYK@+#-"(+&#+/)'%5%,#,%0-+#,).'#< '#+:).+&#*+:#."(*+'(+&)*+"X./%-)*+'(+!-#+,)-,(*%0-+'(+$%(-(*+:)."!#.%)*+ (-+B!(+*(+5%C#$#-+-!(=)*+=#&).(*+#&+,#-)-+4+*(+*!*"%"!9#-+#&3!-#*+'(+&#*+ %-=(.*%)-(*+#+&#*+B!(+*(+2#$9#+)$&%3#')+(&+,)-,(*%)-#.%)@+")')+(&&)+5.!")+ "#/$%X-+'(+-!(=#*+,%.,!-*"#-,%#*+%/:!(*"#*+:).+&#+,.%*%*> 8&+I.%$!-#&+'(+G!(-"#*+.(*)&=%0+P)$*(.=#.+&#*+/)'%5%,#,%)-(*+'(&+,)-".#< ")+.(#&%M#'#*Q@+:#.#+&)+,!#&+*(+5!-'0+(-+B!(R+ abc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h010'#-!M#!%2%!0E0$&+%O@ Derecho PUCP, N° 66, 2011 / ISSN 0251-3420 [[ +"(.*&/*+'(+#,!(.')+,)-+(&+J."9,!&)+NTWN+'(&+G0'%3)+G%=%&+B!(+(*"#$&(< ,(@+B!(+&)*+,)-".#")*+&(3#&/(-"(+,(&($.#')*+5)./#-+!-#+.(3&#+#+&#+,!#&+ '($(-+*)/("(.*(+&#*+:#."(*+,)/)+#+&#+&(4+/%*/#+E,)-*%'(.#-')+KF> KKV MUTABILIDAD DE LOS CONTRATOS DE LA ADMINISTRACIÓN EN EL DERECHO URUGUAYO I I . L A M U TA B I L I D A D D E L O S C O N T R AT O S D E L A ADMINISTRACIÓN 8-+=(.'#'@+(*#+.93%'#+:)*%,%0-+'(&+I.%$!-#&+'(+G!(-"#*+(.#+'%59,%&/(-"(+ ,)-,%&%#$&(+,)-+&)+*)*"(-%')+:).+&#+#$.!/#').#+/#4).9#+'(+&#+'),".%-#+ -#,%)-#&+4+,)/:#.#'#@+B!(@+-)+)$*"#-"(+#5%./#.+&#+(5%,#,%#+=%-,!&#-"(+'(+ &)*+,)-".#")*+(-+B!(+(*+:#."(+!-#+(-"%'#'+(*"#"#&@+-)+&#+%'(-"%5%,#-+,)-+ &#+'(+&)*+,(&($.#')*+(-".(+*!C(")*+:.%=#')*@+#&+:!-")+'(+:.),&#/#.*(+:).+ MUTABILITY OF #&3!-)*+#!").(*+,)/)+)(%&1%)%,+(&+'(+&#+:-'*<%!%/*/$/"$!,+$1,&'(*',+$/"$!*$ MANAGEMENT CONTRACTS IN */:%&%+'(*1%E&NN>+ URUGUAYAN LAW AA!5%V! -+! ;'+$-#6#1D! ;+'! 0G06;-+D! !)++-1"( <)&&)D! 80'1#1(+@! =&%$%,.( , ( 9 & 5:.( %,1"2"#$&%$"!.D! 7+-2601!//@!Z#('*(W!AHHTD!;;@!`KJ``^!7)++)D!:+(+-E+!]#'-+%@!;.2$&%$.(, (.7&%(?@76"5%D!&+6+!/@!c201+%! 5*'0%W!AH`ID!;;@!\IJ\_^!1+",-D!:+=0'&+@!<"5"$%5"82(?@76"5%@!c201+%!5*'0%W!AHH\D!;;@!THD!\L\!,!\AH^! '25"&)D! eb$&+'! a+'?0@! =&%$%,.( "2$ )&%6( , ( 6.#( 5.2$&%$.#( %,1"2"#$&%$"!.#D! 7+-2601! /@! c201+%! 5*'0%W! AHKKD! ;;@! [HAJ[H_^! ,! 7+'3'+A5)+-)2D! 5--#1! :@! ;.2$&%$.#( %,1"2"#$&%$"!.#@! ]#'#$#%W! AHHKD! ;@! A_L@! F+'! %2! -#(+D! h#'$V#! (0! "1&0''V#! ,! 80'1)1(0S! $+1$-2,01! R20D! 01! -#! $+1&'#&#$*C1! #(6*1*%&'#&*7#D! M-#! *162&#=*-*(#(! (0-! $+1&'#&+! 1+! 0%! 21#! *162&#=*-*(#(! (0-! $+1&01*(+D! %*1+! (0-! E*1D! R20! ;'*6#! 01! &+(+! $#%+!%+='0!#R2b-O@!!)+5>)( 1'('#/'++>)D!"(2#'(+!,!N+6)%J:#6C1!<'+#%#1'$4!;'&#.(, (9 & 5:.( %,1"2"#$&%$"!.D!7+-2601!/@!Z#('*(W!TLLTD!;@!KIL@!]+1E+'60%!$+1!0%&0!01E+R20!0.*%&01!%01&01$*#%!(0-! N'*=21#-! U2;'06+! 0%;#d+-^! 7b#%0! 2)#/),)+>)( .)2/"+D! a2#1! 5-E+1%+! ,! B2$*#1+! .)+':"( )&<"#2"4! 9 & 5:.(%,1"2"#$&%$"!.>(<%(3'&"#?&', 25"%(, 6(=&"7'2%6(A'?& 1.@!Z#('*(W!AHHTD!;@!IATD!1+&#!_LD!,!;@! IAKD!1+&#%!KL!,!KA@ AT!U+='0!0-!&06#!01!-#!(+$&'*1#!2'2?2#,#D!7b#%0!2)B)!092(&)2"D!"@!=&%$%,.(BD!&+6+!/@!>=@!$*&@D!;)''#E+%! [`H!,![HLD!;;@!IK[JIK\^!1'&.-)$$"D!]@"@!;.2$&%$%5"82(%,1"2"#$&%$"!%@!>=@!$*&@D!;;@!TA_JTAH^!10+%#( ,)+/>#'$D! 5@! M"G0$2$*C1! (0! -+%! $+1&'#&+%! #(6*1*%&'#&*7+%O@! >=@! $*&@D! ;;@! _[JK\^! *%$H0'$D! ]'*%&*1#@! C.,%6",%, #(, ( 3 5'5"82(, (6%(.7&%(?@76"5%>(Z+1&07*(0+W!AHHTD!;;@!KIJK_^!5):)+*-&&'(.'&0<<"D!a@F@! M".&*1$*C1!(0!-+%!$+1&'#&+%iO@(>=@!$*&@D!;;@!AT[!,!%*?2*01&0%@!"1!-#!(+$&'*1#!0.&'#1G0'#D!7b#%0!:'$'D! h#%&C1@! D&"25"?".#( ) 2 &%6 #( , 6( 9 & 5:.( %,1"2"#$&%$"!.E! &+6+! /f@! c201+%! 5*'0%W! AH\LD! ;;@! T[LJ T[\^!1'!&)07)1'+'D!51('bD!a0#1J]-#2(0!*'#'$-)!0!j70%!!)01','/@!=&%"$F(, (9&."$(/,1"2"#$&%$"GD! &+6+!/@!F#'V%W!AHH_D!;;@!K_`JKKL!,!KKT^!+-*'+"D!a0#1@!9&."$(/,1"2"#$&%$"G@!F#'V%W!AHK\D!;;@!AT[JATI!,! AT_^!*'1'&D!h0+'?0%@!9&."$(/,1"2"#$&%$"G@!F#'V%W!AHK_D!;;@!T\TJT\[!,!T\\JT\_^!5;).02D!:01b@!9&."$( /,1"2"#$&%$"G( HF2F&%6D! &+6+! A@! F#'V%W! AH``D! ;;@! KI`JKIH^! !)++-1"( <)&&)D! 8@! =&%$%,.( , ( 9 & 5:.( %,1"2"#$&%$"!.@! ! >=@! $*&@D! ;;@! HAJHT^! !)+5>)( 1'( '#/'++>)D! "@! ,! :@! <'+#%#1'$@! ;'&#.( , ( 9 & 5:.( %,1"2"#$&%$"!.@!>=@!$*&@D!;;@!_HTJ_H[D!K[TJK[[!,!K[\JKI[^!.)+)1)D!:#6C1@!9 & 5:.(%,1"2"#$&%$"!.D! &+6+! /@! Z#('*(W! AHH[D! ;;@! T`LJT`[^! 2)#/),)+>)( .)2/"+D! a@5@! ,! B@! .)+':)( )&<"#2"@! 9 & 5:.( %,1"2"#$&%$"!.@!<%(3'&"#?&', 25"%B!>=@!$*&@D!;;@!IAKJITL^!7)#1'-+)(1'(,'&&"D!]0-%+!51&+1*+@!;'&#.(, ( 9"& "$.(/,1"2"#$&%$"!.@!Uk+!F#=-+W!TLLID!;;@!\KHJ\`L^!7+'3'+A5)+-)2D!5@:@!;.2$&%$.#(%,1"2"#$&%$"!.#@! >=@!$*&@D!;;@!I`JIHD!A_L!,!A_HJA`T^!,)+-'#;"<<D!Z*?20-!U@!=&%$%,.(, (9 & 5:.(%,1"2"#$&%$"!.D!&+6+! ///J5@! c201+%! 5*'0%W! AHKID! ;;@! [AID! [H\JIL[^! 5)22)!#'D! a2#1! ]@! MB#! %2%&#1&*7*(#(! (0-! $+1&'#&+! #(6*1*%&'#&*7+!,!%2%!;'*1$*;#-0%!$+1%0$201$*#%!G2'V(*$#%O@!"1!-#$',".#(, (9 & 5:.(?@76"5.@!c201+%! 5*'0%W!AHH\D!;;@!AT`JATH^!1+",-D!:@!<"5"$%5"82(?@76"5%@!>=@!$*&@D!;;@!THD!\L\J\L_!,!\AH^!,!'25"&)D!e@a@! =&%$%,.("2$ )&%6(, (6.#(5.2$&%$.#B!>=@!$*&@D!;;@![HAJILL@ Derecho PUCP, N° 66, 2011 / ISSN 0251-3420 J U A N PA B L O C A J A R V I L L E P E L U F F O L#+ '),".%-#+ %-,&!4(+ 3(-(.#&/(-"(+ (-".(+ &#*+ &&#/#'#*+ P:.(..)3#"%=#*Q+ '(+&#+#'/%-%*".#,%0-+,)-".#"#-"(+&#+'(+/)'%5%,#.+&)*+,)-".#")*+B!(+2#+ ,(&($.#')@+.#M)-(*+'(+%-"(.X*+:`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E+'6#!1L#!.?.&$'2%!,!1L#!%, 5'%,%!;#'#!-#!+=&01$*C1!(0!#R20--+%!E*10%O@!!-"+!-D!eb$&+'@!M"-!6b'*&+!,! -#!7#-*(0S!(0-!#$&+!#(6*1*%&'#&*7+@!"-!$+1$0;&+!(0!=201#!#(6*1*%&'#$*C1!01!-#!]+1%&*&2$*C1O@!"1!-#5&"$.#( 3'&4,"5.#@!Z+1&07*(0+W!AHK_D!;@!HT@ AK!1'&.-)$$"D!]#'-+%!"@!M:010?+$*#$*C1!(0!-#%!&#'*E#%!(0!-+%!%0'7*$*+%!;<=-*$+%!$+1$0(*(+%O@!/2'%&".(, ( 9 & 5:.(/,1"2"#$&%$"!.D!&+6+!g/D!Z+1&07*(0+D!TLLID!;;@!TAJ[L@ Derecho PUCP, N° 66, 2011 / ISSN 0251-3420 [[ KZN *(3`-+(A:.(*#+:.(=%*%0-+'(&+'(,.(")+&(4+NZ>ZTK@+Pi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ÓN EN EL DERECHO URUGUAYO MUTABILITY OF MANAGEMENT CONTRACTS IN URUGUAYAN LAW L#+/)'%5%,#,%0-+:).+#,")+C!.%*'%,,%)-#&+),!..%.;+,!#-')+(&&#+*(#+'($%'#+ (-+=%."!'+'(+,%.,!-*"#-,%#*+'(+2(,2)+),!..%'#*+4+&#+#'/%-%*".#,%0-+*(+ .(*%*"#+#+'%*:)-(.&#+)+#,).'#.&#> I V . LO S M OT I V O S D E L A M O D I F I C AC I Ó N CO N T R AC T UA L I)')+#,")+#'/%-%*".#"%=)+O(-+=(.'#'@+")')+#,")+C!.9'%,)O+*(+'%,"#+(-+ =%."!'+'(+&#+),!..(-,%#+'(+'("(./%-#'#*+,%.,!-*"#-,%#*+'(+2(,2)@+B!(+#+ *!+=(M+):(.#-+,)/)+*!:!(*")*+'(+2(,2)+'(+*!+'%,"#')+4+B!(@+,)-+!-#+ "(./%-)&)39#+,)-*#3.#'#+(-+-!(*".)+:#9*+:).+'),".%-#+4+C!.%*:.!'(-,%#@+ *(+'(-)/%-#-+:,'%.,++'(&+#,")NW>+ A`!!-"+!-D!eb$&+'@!-6(5.2$ 25".#.(%,1"2"#$&%$"!.(, (%2'6%5"82@!Z+1&07*(0+W!AH\`D!;;@!\\J\`^!,9#1'$D! 5@!<.(5.2$ 25".#.(, (%2'6%5"82( 2( 6(9 & 5:.('&')'%*.@!>=@!$*&@D!;;@!AAK!,!TLAJTLT^!+')&D!5-=0'&+! :@!M]+1&01$*+%+!(0!-+%!$+1&'#&+%!#(6*1*%&'#&*7+%O@!"1!+ !"#$%(, (6%(M%5'6$%,(, (9 & 5:.(*(;" 25"%#( A.5"%6 #D!#d+!gf///D!XY!AJTD!Z+1&07*(0+D!AH_KD!;@!THK!,!%*?2*01&0%^!2)B)!092!&)2"D!"1'*R20@!=&%$%,.( , ( 9 & 5:.( %,1"2"#$&%$"!.D! &+6+! //@! Z+1&07*(0+W! AHH`D! ;;@! I_`JI_H^! 5):)+*-&&'( .'&0<<"D! a2#1! 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TLLI@ AH!2)B)!092!&)2"D!"@!=&%$%,.(, (9 & 5:.(%,1"2"#$&%$"!.@!>=@!$*&@D!;)''#E+%!TKK!,!TK`D!;;@![_H!#![KT^! 5):)+*-&&'(.'&0<<"D!a@F@!M/17#-*(0S!(0!-+%!#$&+%iO@!>=@!$*&@D!;;@!`\J`_@ Derecho PUCP, N°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AIHD!A\A!,!\HTQ!,!-#!(0!TLLL!P&+6+!gD!XY!AAT!D!AA[D!IHTD!IH\JIHKQ@ TT!2)B)!092! &)2"D! "@! =&%$%,.i! >=@! $*&@D! ;@! [IAD! 1+&#! I^! !-)#"&)( ,)+/'!)#-D! 5'*0-@! MB+%! -V6*&0%! (0! -#! ;+&0%&#(! (*%$*;-*1#'*#W! '#S+1#=-0! #(0$2#$*C1! (0! -#! %#1$*C1! #! -#! E#-&#O! ,! MX207#601&0! %+='0! 0-! $+1&'+-! (0-! ?'#(+! (0! -#! %#1$*C1O@! 56=+%! &0.&+%! 01! + !"#$%( 9>J>/>D! &+6+! KTD! Z+1&07*(0+D! AHKTD! ;@!A\\!,!%*?2*01&0%D!,!&+6+!K[D!AHK[D!;@!A\L!,!%*?2*01&0%!'0%;0$&*7#601&0^!5):)+*-&&'(.'&0<<"D!a@F@! M/17#-*(0S! (0! -+%! #$&+%iO@! >=@! $*&@D! ;@! AL_@! "1! -#! (+$&'*1#! ,! G2'*%;'2(01$*#! 0.&'#1G0'#%! ;20(0! 70'%0! Derecho PUCP, N°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`&"%/)+/)"%=)+,)-'!,(+#+ &#+,)-*%'(.#,%0-+'(&+5%-+&(39"%/)+'(&+#,")+/)'%5%,#").%)+'(+!-+,)-".#")> KZU MUTABILIDAD DE LOS CONTRATOS DE LA ADMINISTRACIÓN EN EL DERECHO URUGUAYO MUTABILITY OF MANAGEMENT CONTRACTS IN URUGUAYAN LAW ]+'&0!U2;'06#!(0!a2%&*$*#!(0!-#!X#$*C1!5'?01&*1#@!U01&01$*#!(0!TT@f/@AH_LD!$#%+!(0-!]*10!]#--#+!P01! 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A\A^! ,! &+6+! gD! ;@!K@!5)22-#'&&-(,0="$D!e+'#$*+@!M"-!#G2%&0!(0!-#!#(6*1*%&'#$*C1!#!-#%!%01&01$*#%!G2'*%(*$$*+1#-0%O@! + !"#$%(9>J>/>D!&+6+!\\D!AH\KD!Z+1&07*(0+D!;@!KLJKA^!*1&0'701$*C1!01!a+'1#(#%!B#&*1+#60'*$#1#%!(0! 30'0$4+!F'+$0%#-@!+ !"#$%(, (6%(M%5'6$%,(, (9 & 5:.(*(;" 25"%#(A.5"%6 #D!#d+!/gD!XY!AD!Z+1&07*(0+D! AH\`D!;@!A\A^!,!M"-!*1&0'b%!-0?V&*6+!$+6+!%*&2#$*C1!G2'V(*$#!?#'#1&*(#!01!-#!]+1%&*&2$*C1!2'2?2#,#O@! "1! D &#? 5$"!%#( , 6( 9 & 5:.( ?@76"5.( 2( 6%( # )'2,%( 1"$%,( , 6( #")6.( PPD! &+6+! ///@! Z#('*(W! AH_HD! ;@! THH@! N#6=*b1! 7b#%0! 2)B)!092! &)2"! "@! =&%$%,.( , ( 9 & 5:.B( >=@! $*&@D! ;@! [K[^! ,9#1'$D! 5@! <.( 5.2$ 25".#.B!>=@!$*&@D!;@!AKAJAKT^!$)#"7-#-D!h2*(+@!;.&#.(,"(9"&"$$.(/11"2"#$&%$"!.D!&+6+!/@!Z*-)1W! AHIKD!;;@!TIJT_^!5):)+*-&&'(.'&0<<"D!a@F@!M/17#-*(0S!(0!-+%!#$&+%iO@!>=@!$*&@D!;;@!`AJ`T@ Derecho PUCP, N° 66, 2011 / ISSN 0251-3420 J U A N PA B L O C A J A R V I L L E P E L U F F O V. 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M821(#601&+%!(0-!30'0$4+!#(6*1*%&'#&*7+!(0!;'0%&#$*+10%O@!"1!D &#? 5$"!%#(, 6(9 & 5:.(?@76"5.( 2(6%( # )'2,%(1"$%,(, 6(#")6.(PPD!&+6+!f@!Z#('*(W!AH_HD!;@![`T@ [\!7+'3'+A5)+-)2D!5@:@!;.2$&%$.#(%,1"2"#$&%$"!.#@!>=@!$*&@D!;@!AK_@ [_!!)+5>)(1'('#/'++>)D!"@!,!:@!<'+#%#1'$@!;'&#.(, (9 & 5:.B(>=@!$*&@D!;@!K[[@!3*$01!-+%!#2&+'0%W!MU*! ;#'#!$+1%0?2*'!0%&+%!E*10%D!*6;-V$*&+%!01!0-!$+1&'#&+!,!$+11#&2'#-0%!#-!6*%6+D!0%!10$0%#'*+!#(#;&#'!#! -#%!1207#%!10$0%*(#(0%!-+%!&b'6*1+%!(0!-+!;#$&#(+D!0%&#!#(#;&#$*C1!0%!+=-*?#(#@!B#!*1#-&0'#=*-*(#(! 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LOS LÍMITES DE LA MODIFICACIÓ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`$&%,)+#+B!(+"%(-'(+(&+,)-".#")+,)/)+5%-+'($%< ')U]>+8*#+(&(,,%0-+*(+'($(.;+.(#&%M#.+,)-5)./(+#+,.%"(.%)*+"X,-%,)*@+X"%,)*@+ #A%)&03%,)*@+:)&9"%,)*+4+"#/$%X-+C!.9'%,)*@+(*"#$&(,%')*+(*")*+`&"%/)*+:).+ .(3&#*+'(+1(.(,2)+B!(@+*%-+(&%/%-#.+&#+:)*%$%&%'#'+'(+):"#.+(-".(+'%=(.< *#*+*)&!,%)-(*@+,)-*#3.#-+:#!"#*+)+/)')*+'(+,)/:)."#/%(-")@+B!(+*)-+ 5&(A%$&(*+4+#:.(,%#$&(*+,#*)+:).+,#*)+(-+,#'#+,%.,!-*"#-,%#UW>+j-*".!/(-< ")*+'(+"X,-%,#+C!.9'%,#+B!(+:(./%"(-+(*"#$&(,(.+(*"(+"%:)+'(+:#!"#*+'(+ ,)/:)."#/%(-")+5&(A%$&(*+:#.#+&)*+0.3#-)*+:`$&%,)*+*)-@+(-".(+)".)*@+(&+ #,)3%/%(-")+(A:.(*)+'(+&)*+P:.%-,%:%)*+3(-(.#&(*+'(+1(.(,2)Q+,)/)+P.(< 3&#*+'(+1(.(,2)Q+%-"(3.#-"(*+'(&+).'(-#/%(-")+C!.9'%,)KYg+&#+.(/%*%0-+#+ &)*+&&#/#')*++'*&/*(/++C!.9'%,)*@+(-+:#."%,!&#.+(&+'(+P.#M)-#$%&%'#'QKNg+4+&#+ ,)-*#3.#,%0-+3(-X.%,#+'(+&#+P'(*=%#,%0-@+#$!*)+)+(A,(*)+'(+:)'(.Q+,)/)+ P=%,%)*Q+%-=#&%'#-"(*+'(+&#+#,"%=%'#'+:`$&%,#@+,)-+&)+,!#&+*(+%/:)-(+:).+ .(5&(C)+&#+-(,(*%'#'+'(+,)/:)."#/%(-")*+B!(+(=%"(-+*!+,)-5%3!.#,%0-KT> J U A N PA B L O C A J A R V I L L E P E L U F F O G)-+ (*)*+ &9/%"(*@+ 4+ .(*:("#-')+ #'(/;*+ &#*+ &%/%"#,%)-(*+ B!(+ :!('#-+ (*"#$&(,(.+ -)./#*+ (A:.(*#*KU@+ &#+ /)'%5%,#,%0-+ :!('(+ .(,#(.+ *)$.(+ [K!7)++)D!:+(+-E+!]@!;.2$&%$.(, (.7&%(?@76"5%D!&+6+![@!c201+%!5*'0%W!AH``D!;@!ALKA@ [`!2)B)!092! &)2"! "@! =&%$%,.( , ( 9 & 5:.( %,1"2"#$&%$"!.i! >=@! $*&@D! ;@! [[`^! 5):)+*-&&'( .'&0<<"D! a@F@! M/17#-*(0S!(0!-+%!#$&+%iO@(>=@!$*&@D!;;@!`[J`\!,!ALL@ [H!5):)+*-&&'(.'&0<<"D!a@F@!!/=V(@D!;@!ALL@!]+1E'C1&0%0D!0%;0$VE*$#601&0!01!$2#1&+!#!-+%!-V6*&0%!(0!-#! 6+(*E*$#$*C1!21*-#&0'#-!(0!-+%!$+1&'#&+%D!7+'3'+A5)+-)2D!5@:@!;.2$&%$.#(%,1"2"#$&%$"!.#@!>=@!$*&@!;;@! AK\!,!A`LJA`T@ IL!]+1%&*&2$*C1D! #'&V$2-+! [[T^! ]C(*?+! ]*7*-D! #'&V$2-+! A_^! (0$'0&+! -0,! A\@\TI! (0-! H! (0! 010'+! (0! AH`ID! #'&V$2-+!T[!#;#'&#(+!#QD!R20!'0;*&0!-#!%+-2$*C1!(0!-#!-0,!A[@[A`!(0-!T`!(0!(*$*06='0!(0!AH_ID!#'&V$2-+! [I\@! "1! -#! (+$&'*1#! 1#$*+1#-D! 7b#%(0! +')&D! 5-=0'&+! :#6C1@! MB+%! ;'*1$*;*+%! ?010'#-0%! (0! (0'0$4+! 01! -#! ]+1%&*&2$*C1! 2'2?2#,#O@! + !"#$%( , ( 9 & 5:.( D@76"5.( *( D&"!%,.D! &+6+! ILD! Z+1&07*(0+D! AH\`D! ;;@! AH\JTIK@! U0! ;2=-*$C! 01! #;#'&#(+! 21#! 70'%*C1! #$&2#-*S#(#! ,! $+1! 21! #;b1(*$0W! MB+%! ;'*1$*;*+%! ?010'#-0%!(0!30'0$4+!01!-#!]+1%&*&2$*C1!9'2?2#,#!m!F'*1$*;*+!(0!*?2#-(#(!(0!'06210'#$*C1!;+'!*?2#-! &'#=#G+O! PAH_\QD! '0;'+(2$*(+! 01! -#$%,.( , ( 9 & 5:.( *( :'1%2"#1.( ? &#.2%6"#$%@! Z+1&07*(0+W! 8]9D! AHKID!;;@!\JH[^!MB+%!;'*1$*;*+%!?010'#-0%!(0!30'0$4+iO@!>=@!$*&@D!;;@!AK[JTT[^!MB+%!;'*1$*;*+%!(0-! ;'+$0(*6*01&+!#(6*1*%&'#&*7+!01!0-!9'2?2#,O@!+ !"#$%(, (6%!M%5'6$%,(, (9 & 5:.(*(;" 25"%#(A.5"%6 #D! #d+! gg///D! XY! [JID! Z+1&07*(0+D! AHK\D! ;;@! [IKJ[KI^! ,! I' !.#( #$',".#( , ( 9 & 5:.( %,1"2"#$&%$"!.@! Z+1&07*(0+W!5$#-*D!AHK_D!;;@!\JIL@!N#6=*b1!7b#%0!7)+7'(.9+'$D!eb$&+'@!MB+%!;'*1$*;*+%!?010'#-0%! (0!30'0$4+!$+6+!E201&0!(0!30'0$4+!#(6*1*%&'#&*7+!01!0-!30'0$4+!;+%*&*7+!2'2?2#,+O@!"1!-#$',".#( 3'&4,"5.#( 2( 1 1.&"%( , ( J'%2( J.#F( /1FO%)%@! Z+1&07*(0+W! AH\`D! ;;@! [\J\\^! 5):)+*-&&'( .'&0<<"D! a@F@(+ G6 Q".2 #(#.7& (6.#(?&"25"?".#() 2 &%6 #B!>=@!$*&@D!;;@!A\\JAKH@!N+(+%!-+%!&'#=#G+%!#1&0'*+'0%! %0!;2=-*$#'+1!$+1G21&#601&0!;+'!-#!0(*$*C1!8@]@9@!01!21!7+-2601W!<.#(?&"25"?".#() 2 &%6 #(, (9 & 5:.( 2( 6(9 & 5:.('&')'%*.(*(5.1?%&%,.@!U0?21(#!0(*$*C1@!Z+1&07*(0+W!TLL\^!$+1G21&#601&0!$+1!&'0%! 0%&2(*+%!(0!3#1*0-!e@!Z#'&*1%W!M/1&'+(2$$*C1@!30'0$4+!;+%*&*7+!,!(+$&'*1#!1#$*+1#-!;+%&0'*+'0%!#!AH\`O!,! M:0%0d#!(0!-#!#$&2#-!(+$&'*1#!#(6*1*%&'#&*7*%&#!*=0'+#60'*$#1#O@ IA!5):)+*-&&'(.'&0<<"D!a@F@!M/17#-*(0S!(0!-+%!#$&+%iO@(>=@!$*&@D!;;@!ALTJALH@ IT!K74,@D!;;@!ALHJAA\@ I[!F+'!0G06;-+D!-#!-0,!A\@HL[!(0-!AL!(0!1+7*06='0!(0!AH`KD!#'&V$2-+!\AK!P'0(*$*C1!-0,!A_@[TL!(0-!;'*60'+! (0!1+7*06='0! (0! AHHTD!#'&V$2-+!ILLQD! /"5)<6!#'&V$2-+! _[D! &'#1%$'*&+! 01! 21#! 1+&#! #1&0'*+'D!-*6*&#! -#%! 6+(*E*$#$*+10%!$2#1&*&#&*7#%!(0!-#%!;'0%&#$*+10%!+=G0&+!(0!-+%!$+1&'#&+%@! Derecho PUCP, N°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ÓN EN EL DERECHO URUGUAYO MUTABILITY OF MANAGEMENT CONTRACTS IN URUGUAYAN LAW II!!)+5>)( 1'( '#/'++>)D! "@! ,! :@! <'+#%#1'$@! ;'&#.( , ( 9 & 5:.( %,1"2"#$&%$"!.@! >=@! $*&@D! ;;@! K[KJK[`^! '25"&)D!e@a@!=&%$%,.("2$ )&%6(, (6.#(5.2$&%$.#B(>=@!$*&@D!;@![HH^!1+",-D!:@!<"5"$%5"82(?@76"5%@!>=@!$*&@D! ;;@!\L_^!,)+-'#;"<<D!Z@U@!=&%$%,.(, (9 & 5:.(%,1"2"#$&%$"!.i!>=@!$*&@D!;@![HH@ I\!2)B)!092!&)2"D!"@!=&%$%,.B!>=@!$*&@D!;)''#E+%![`H!,![HLD!;;@!IKIJIK\^!1'&.-)$$"D!]@">(;.2$&%$%5"82( %,1"2"#$&%$"!%@! >=@! $*&@D! ;;@! TA_! ,! TTTJTT[@! 5@! 32')1! Z#'&V10S! #E*'6#! 6)%! 'V?*(#601&0! 01! 120%&'+! 30'0$4+!-#!*162&#=*-*(#(!(0!;'*1$*;*+!(0-!$+1&'#&+!(0!-#!#(6*1*%&'#$*C1D!%#-7+!-0,!E+'6#-!4#=*-*&#1&0! (0! -#! 62&#$*C1! 21*-#&0'#-@! "1! M"G0$2$*C1! (0! -+%! $+1&'#&+%iO@( >=@! $*&@D! ;;@! _KJK\@! "1! -#! (+$&'*1#! 0.&'#1G0'#D! 7b#%0! :'$'D! h#%&C1@! D&"25"?".#( ) 2 &%6 #( , 6( 9 & 5:.( %,1"2"#$&%$"!.D! &+6+! f@! c201+%! 5*'0%W! AH\LD! ;@! AHA! %+='0! 0-! $+1&'#&+! (0! +='#! ;<=-*$#! ,! ;;@! [TI! ,! [[[J[[I! %+='0! 0-! $+1&'#&+! (0! %26*1*%&'+%^! 1'! &)07)1'+'D! 5@! $( %6>! =&%"$F( , ( 9&."$( /,1"2"#$&%$"G@! >=@! $*&@D! ;;@! K_HJKKL! ,! KKTJ KK[^! +-*'+"D! a@! 9&."$( /,1"2"#$&%$"G@! >=@! $*&@D! ;;@! ATI! ,! AT_^! *'1'&D! h@! 9&."$( /,1"2"#$&%$"G@! >=@! $*&@D! ;;@! T\TJT\[! ,! T\\JT\_^! 5;).02D! :@! 9&."$( /,1"2"#$&%$"G( HF2F&%6D! &+6+! A@! >=@! $*&@D! ;@! KIH^! !)+5>)( 1'('#/'++>)D!"@!,!:@!<'+#%#1'$@!;'&#.(, (9 & 5:.B!>=@!$*&@D!;;@!K[[D!KIL!,!KITJKI[^!!)++-1"( <)&&)D! 8@! =&%$%,.( , ( 9 & 5:.B! >=@! $*&@D! ;@! HA^! .)+)1)D! :@! 9 & 5:.( %,1"2"#$&%$"!.>! >=@! $*&@D! ;;@! T`AJT`T^!2)#/),)+>)(.)2/"+D!a@5@!,!B@!.)+':)()&<"#2"@!9 & 5:.(%,1"2"#$&%$"!.i!>=@!$*&@D!;;@!IAHJ ITL^!7)#1'-+)( 1'(,'&&"D!]@5@!;'&#.(, (9"& "$.B(>=@!$*&@D!;;@!\KKJ\KH!,!\H_^!7+'3'+A5)+-)2D!5@:@! ;.2$&%$.#( %,1"2"#$&%$"!.#@! >=@! $*&@D! ;;! AK_JA`L! ,! TLTJTA`^! ,)+-'#;"<<D! Z@U@! =&%$%,.( , ( 9 & 5:.( %,1"2"#$&%$"!.@!>=@!$*&@D!;;@![HHJIL[D!IIHD!I\[!,!IK\^!5)22)!#'D!a@]@!<%(#'#$%2$"!",%,(, 6(5.2$&%$.B >=@! $*&@D! ;;@! AT`JATH^! 1+",-D! :@! <"5"$%5"82( ?@76"5%@! >=@! $*&@D! ;;@! \L\! ,! \AH^! '25"&)D! e@a@! =&%$%,.( "2$ )&%6B! >=@! $*&@D! ;;@! [H_J[H`! ,! I\TJI\I@! ]+1E'C1&0%0! -#! %01&01$*#! N'*=21#-! (0! -+! ]+1&01$*+%+! 5(6*1*%&'#&*7+!XY!H_I!(0-!;'*60'+!(0!%0;&*06='0!(0!AHHH@ I_!2)B)!092! &)2"D! "@! =&%$%,.BE! &+6+! //@! >=@! $*&@D! ;)''#E+%! \I\! ,! \I_D! ;;@! HLJHT! P+='#! ;<=-*$#Q^! 1'&.-)$$"D!]@"@!;.2$&%$%5"82(%,1"2"#$&%$"!%@!>=@!$*&@D!;;@!TTLD!T`K!P+='#!;<=-*$#QD![[L!P%26*1*%&'+%Q^! :'$'D!h@!D&"25"?".#() 2 &%6 #BD!&+6+!f@!>=@!$*&@D!;;@!`HJHT^!5;).02D!:@!9&."$(/,1"2"#$&%$"GBE!&+6+! A@! >=@! $*&@D! ;@! KIK^! .)+)1)D! :@! 9 & 5:.( %,1"2"#$&%$"!.D! &+6+! /@! >=@! $*&@D! ;;@! [IT! P+='#! ;<=-*$#Q^! 7+'3'+A5)+-)2D!5@:@!;.2$&%$.#(%,1"2"#$&%$"!.#@!>=@!$*&@D!;;@!A`_JAHT^!,)+-'#;"<<D!Z@U@!=&%$%,.(, ( 9 & 5:.B!&+6+!///J5@!>=@!$*&@D!;;@!IIH!,!I\[D!,!&+6+!///Jc@!c201+%!5*'0%W!AHKLD!;;@!\\A!P+='#!;<=-*$#Q! ,!_\K!P%26*1*%&'+Q^!1+",-D!:@!<"5"$%5"82(?@76"5%@!>=@!$*&@D!;;@!\A\J\A`^!'25"&)D!e@a@!=&%$%,.("2$ )&%6BD! 7+-2601!/@!>=@!$*&@D!;;@!III^!.9+'$(;0)&1'D!5-0G#1('+@!+ 2 ).5"%5"82(, (5.2$&%$.#(?@76"5.#@!c201+%! 5*'0%W!TLLTD!;;@!KLJKA@ IK!1'&.-)$$"D!]@"@!M:010?+$*#$*C1!(0!-#%!&#'*E#%iO@!>=@!$*&@D!;;@!T`JTH@ Derecho PUCP, N° 66, 2011 / ISSN 0251-3420 J U A N PA B L O C A J A R V I L L E P E L U F F O V I I . 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M820'S#! 6#,+'D! n%2Gb&*+1%! *6;'b720%oD! nE#*&! (2! ;'*1$0oD! *6;'07*%*C1O@! + !"#$%(9>J>/>D!&+6+!\KD!Z+1&07*(0+D!;;@!ATLJATA!,!AT_JATK^!'25"&)D!e@a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`JKTL^!.)+)1)D!:@!9 & 5:.(%,1"2"#$&%$"!.D!&+6+!/@!>=@!$*&@D!;;@! [I\J[I_^!2)#/),)+>)(.)2/"+D!a@5@!,!B@!.)+':)()&<"#2"@!9 & 5:.(%,1"2"#$&%$"!.B!>=@!$*&@D!;;@!IIAJ I\[^!7)#1'-+)( 1'(,'&&"D!]@5@!;'&#.(, (9"& "$.B!>=@!$*&@D!;;@!\KAJ\K[!,!\`HJ\H[^!7+'3'+A5)+-)2D! 5@:@!;.2$&%$.#(%,1"2"#$&%$"!.#@!>=@!$*&@D!;;@!AH\JAHH!,!M5-?21#%!$+1%*(0'#$*+10%!%+='0!-#%!$-)2%2-#%! (0!7#'*#$*C1!(0!;'0$*+%!01!-+%!$+1&'#&+%!#(6*1*%&'#&*7+%O@("1!-#$',".#(, (9 & 5:.(%,1"2"#$&%$"!.i! &+6+!/@!Z+1&07*(0+W!AHKHD!;;@!\\J_K^!,)+-'#;"<<D!Z@U@!=&%$%,.(, (9 & 5:.BD!&+6+!//Jc@!c201+%! 5*'0%W!AHKLD!;;@!\\_J\_[^!!"+1-&&"D!5?2%&V1!5@!MZ#,+'0%!$+%&+%D!*6;'07*%*C1D!*1(0.#$*C1O@!"1!R#>( %'$.& #E(5.2$&%$.#(%,1"2"#$&%$"!.#>(& )41 2 #(, (?%).(*(%5$'%6"O%5"82D!&+6+!/@!c201+%!5*'0%W!AH_`D! ;;@!AL[JAAA@ Derecho PUCP, N° 66, 2011 / ISSN 0251-3420 [[ ,&;!*!&#*+P)$&%3#-+(*".%,"#/(-"(+#+#/$#*+:#."(*QZN+(+%-"(3.#-+(&+'(.(,2)+ '(&+,)-".#"%*"#+#&+/#-"(-%/%(-")+'(&+:.(,%)+#,).'#')ZT> L#+ /)'%5%,#,%0-+ '(=%(-(+ !-+ #,")+ '($%')@+ %/:!(*")+ :).+ (&+ 1(.(,2)@+ ,!#-')+(&+,)-"(-%')+'(&+,)-".#")+*(#+:.)$#'#/(-"(+%-%'0-()+:#.#+&)< 3.#.+(&+5%-+'($%')+'(+*#"%*5#,(.+&#*+-(,(*%'#'(*+'(+%-"(.X*+:`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`-+&)*+2(,2)*+*(#-+#C(-)*+#+#/$#*+:#."(*@+%/:!"#$&(*+#+&#+ (-"%'#'+(*"#"#&+)+,)-*%*"#-+(-+,%.,!-*"#-,%#*+/#"(.%#&(*+:.((A%*"(-"(*+#&+ ,)-".#")+:(.)+'(*,)-),%'#*+#&+,(&($.#.&)ZU>+ KZW MUTABILIDAD DE LOS CONTRATOS DE LA ADMINISTRACIÓN EN EL DERECHO URUGUAYO MUTABILITY OF MANAGEMENT CONTRACTS IN URUGUAYAN LAW 1(+"#&+/#-(.#@+#!-+(-+#!*(-,%#+'(+(*"%:!&#,%)-(*+,)-".#,"!#&(*@+&#+&&#< /#'#+ P(,!#,%0-+ (,)-0/%,)<5%-#-,%(.#Q+ '(&+ ,)-".#")@+ ,)/)+ (B!%&%$.%)+ \A!2)B)!092! &)2"@! =&%$%,.BE! &+6+! //@! >=@! $*&@D! ;@! HT@! ]+1E'C1&0%0! 7+'3'+A5)+-)2@! ;.2$&%$.#( %,1"2"#$&%$"!.#@!>=@!$*&@D!;@!TLLD!,!M5-?21#%!$+1%*(0'#$*+10%!%+='0iO@(>=@!$*&@D!;@!_L^!,)+-'#;"<<@! =&%$%,.( , ( 9 & 5:.BD! &+6+! //Jc@! >=@! $*&@D! ;@! \_[^! !"+1-&&"@! MZ#,+'0%! $+%&+%D! *6;'07*%*C1iO@( >=@!$*&@D!;;@!AL`JAAL@ \T!&)07)1'+'! $( %6>! =&%"$F( , ( 9&."$( /,1"2"#$&%$"GD! &+6+! /@! >=@! $*&@D! ;;@! KK[JKKI^! .)+)1)@! 9 & 5:.( %,1"2"#$&%$"!.D!&+6+!/@!>=@!$*&@D!;;@![I\^!7)#1'-+)(1'(,'&&"@!;'&#.(, (9"& "$.B!>=@!$*&@D!;@!\HT@ \[!B#! =*=-*+?'#EV#! %+='0! 0%&+%! &06#%! 0%! *1#?+&#=-0^! %*! 1+%! -*6*&#6+%! #! -#! 1#$*+1#-D! ;+(06+%! %0d#-#'! 2)B)!092!&)2"@!=&%$%,.(, (9 & 5:.BD!&+6+!/@!>=@!$*&@D!;)''#E+%![HAD!;;@!IK\JIKKD!,!&+6+!//@!>=@!$*&@D! ;)''#E+%!\ATJ\AID!;;@!\_J_T!,!;)''#E+%!\I`J\\LD!;;@!H[JH\^!&'*+'+"(7"5)!'@!M820'S#!6#,+'iO@(>=@! $*&@D!;@!ATAJA[L^!+0"55"D!h'#$*0-#@!M"G0$2$*C1!(0!-+%!$+1&'#&+%@!5-&0'#$*C1!(0!-#!0$2#$*C1!0$+1C6*$+! E*1#1$*0'#! (0-! $+1&'#&+@! N0+'V#%! (0-! 40$4+! (0-! ;'V1$*;0D! *6;'07*%*C1! ,! %2G0$*+10%! *6;'07*%&#%O@! "1! K2#$"$'$.(, (9 & 5:.(%,1"2"#$&%$"!.@!;.2$&%$%5"82(%,1"2"#$&%$"!%@!Z+1&07*(0+W!8]9D!AH`HD!;;@!KKJH[^! 1'&.-)$$"D!]@"@!;.2$&%$%5"82(%,1"2"#$&%$"!%@!>=@!$*&@D!;;@!TTTJTT\@ \I!&'*+'+"(7"5)!'@!M820'S#!6#,+'iO@(>=@!$*&@D!;@!AT\JAT_^!1'&.-)$$"@!;.2$&%$%5"82(%,1"2"#$&%$"!%@!>=@! $*&@D!;;@!TAK!,!M:010?+$*#$*C1!(0!-#%!&#'*E#%iO@!>=@!$*&@^!&)07)1'+'! $(%6>!=&%"$F(, (9&."$(/,1"2"#$&%$"GD! &+6+!/@!>=@!$*&@D!;@!K`I^!5;).024!9&."$(/,1"2"#$&%$"GB!>=@!$*&@D!;;@!K\AJK\T@!U+='0!-#!$+6;01%#$*C1!(0!-#! 6#,+'!+10'+%*(#(!60(*#1&0!6+(*E*$#$*+10%!(0!&#'*E#%D!(0-!;'0$*+!;#$&#(+D!%2=701$*+10%D!$#6=*+%!(0-! $#1+1!+!$2#-R2*0'!+&'#!$+6;01%#$*C1!0$+1C6*$#D!7b#%0!7+'3'+A5)+-)2@!;.2$&%$.#(%,1"2"#$&%$"!.#@! >=@!$*&@!;@!TTH^!!)+5>)( 1'('#/'++>)!,!<'+#%#1'$@!;'&#.(, (9 & 5:.B!>=@!$*&@D!;@!KIK^!2)#/),)+>)( .)2/"+!,!.)+':)()&<"#2"@!9 & 5:.(%,1"2"#$&%$"!.i!>=@!$*&@D!;@!I[_@ Derecho PUCP, N°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`-+&)*+,#*)*>+ K[Y '(+&#*+:.(*"#,%)-(*+:.(=%*")+4+#,).'#')+:).+&#*+:#."(*+(-+(&+/)/(-")+ '(+*!+,(&($.#,%0-@+*(+"!"(&#+(-+&#+,)-".#"#,%0-+#'/%-%*".#"%=#+,)-+!-#+ (5%,#,%#+B!(+*!:(.#+&#+B!(+.(,%$(+!-+#,!(.')+(-".(+:#."%,!&#.(*> L#+%/:)."#-,%#+'(+(*"#*+P"().9#*Q+(-+&#+"().9#+'(+&#+,)-".#"#,%0-+'(+&#+ #'/%-%*".#,%0-+ C!*"%5%,#+ #&3!-#+ .(5(.(-,%#+ ,)/:&(/(-"#.%#@+ "(-'%(-"(+ *)$.(+")')+#+*!+.(,9:.),)+'(*&%-'(+(-+(&+1(.(,2)+!.!3!#4)> VIII. LAS “ TEORÍAS” SOBRE EL MANTENIMIENTO DE LA ECUACIÓN ECONÓMICO-FINANCIERA D E L O S C O N T R AT O S D E L A A D M I N I S T R A C I Ó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`-+(*)*+ *!:!(*")*@+'%=(.3(-+(-+&#*+,)-*(,!(-,%#*+C!.9'%,#*+B!(+:.)'!,(-> J U A N PA B L O C A J A R V I L L E P E L U F F O VIII.1. Hechos ajenos a las partes 8&+ /%*/)+ "%:)+ '(+ #,)-"(,%/%(-")*+ O:)*"(.%).(*+ #+ &#+ ,(&($.#,%0-+ '(&+ ,)-".#")@+#C(-)*+#+&#*+:#."(*@+%/:.(=%*%$&(*+(-+(&+,#*)+,)-,.(")ZZ@+%..(*%*"%< $&(*O+B!(+%-,%'(-+(-+&#+(C(,!,%0-+'(+!-+,)-".#")+*)-+,)-"(/:&#')*+(-+ /#"(.%#+'(+,)-".#"#,%0-+#'/%-%*".#"%=#+:).+')*+%-*"%"!")*R+&#+P"().9#+'(+ &#+5!(.M#+/#4).Q+4+&#+P"().9#+'(+&#+%/:.(=%*%0-Q>+ J/$#*+ "().9#*@+ !-%=(.*#&/(-"(+ #'/%"%'#*@+ *)-+ '(+ .(,%$)+ (-+ -!(*".)+ 1(.(,2)g+#&+.(*:(,")@+&#+'),".%-#+(*+!-;-%/(> L#+'",(B*$/"$!*$C-"(N*$:*?,(+(*+#:&%,#$&(+,!#-')+(&+#,)-"(,%/%(-")+:.)< =),#+&#+%/:)*%$%&%'#'+'(+,!/:&%.+,)-+&#*+)$&%3#,%)-(*+#*!/%'#*@+".#-*%< ").%#+)+'(5%-%"%=#/(-"(>+8&+(5(,")+'(+&#+#:&%,#,%0-+'(+&#+"().9#+,)-*%*"(+ \\!U+='0!-#!1+$*C1!(0!*6;'07*%*=*-*(#(!#!0%&+%!0E0$&+%D!7b#%0!&'*+'+"(7"5)!'D!]@!M820'S#!6#,+'iO@(>=@! $*&@D!;;@!ATHJA[L@!U+='0!-#!420-?#!$+6+!#$+1&0$*6*01&+!R20!1+!;20(0!$+1%*(0'#'%0!'#S+1#=-0601&0! $+6+! *6;'07*%*=-0! 01! -#! '0#-*(#(! %+$*#-! #$&2#-D! 7b#%0! -#! U01&01$*#! (0-! 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'0$+?01! 2)B)!092! &)2"4( =&%$%,.BE! &+6+! //@! >=@! $*&@D! ;)''#E+%! \AID! ;@! _A^! ,! &'*+'+"(7"5)!'@!>=@!$*&@D!;@!ATI@ _\!1'&.-)$$"@!>=@!$*&@D!;@!TT\@!N#6=*b1!%0!4#!E21(#601&#(+!-#!&0+'V#!01!-#!10$0%*(#(!(0!#%0?2'#'!0-! =201!E21$*+1#6*01&+!(0-!%0'7*$*+D!;+'!01(0!01!'#S+10%!(0!*1&0'b%!?010'#-!,!01!-#!&2&0-#!,!?#'#1&V#! ;-01#!(0-!(0'0$4+!(0!;'+;*0(#(!(0-!$+$+1&'#&#1&0@!fb#%0!+0"55"@!>=@!$*&@D!;@!`KJHA@ Derecho PUCP, N°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ÓN EN EL DERECHO URUGUAYO MUTABILITY OF MANAGEMENT CONTRACTS IN URUGUAYAN LAW J!-+,!#-')+(-+!-#+'("(./%-#'#+,%.,!-*"#-,%#+'(+2(,2)+,)..(*:)-'#+ &#+ #:&%,#,%0-+ #,!/!&#"%=#+ '(+ #/$#*+ "().9#*@+ *!*+ .(*:(,"%=)*+ ;/$%")*+ ,)-,(:"!#&(*+ :(./#-(,(-+ -9"%'#/(-"(+ '%5(.(-"(*>+ L#+ P"().9#+ '(+ &#+ %/:.(=%*%0-Q+-)+#"#e(+#+&#+.(:#.#,%0-+'(+&)*+'#e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p%*$q! 1+! $+1%&*&2,0! +=%&)$2-+! %2E*$*01&0! ;#'#! -#! #;-*$#$*C1! (0! -#%! %+-2$*+10%! (0! -#! &0+'V#! (0! -#! *6;'07*%*C1O@! &'*+'+"( 7"5)!'@! >=@! $*&@D! ;@! A[L@! ]+1E'C1&0%0! 0-! N'*=21#-! (0! -+! ]+1&01$*+%+! 5(6*1*%&'#&*7+D!%01&01$*#!XY!A_L!(0!T`JIJH`_D!01!0-!/2'%&".(, (9 & 5:.(%,1"2"#$&%$"!.D!&+6+!/D!XY!AA`D! 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Hechos o actos imputables a la administración D%-#&/(-"(@+&#+(,!#,%0-+(,)-0/%,)<5%-#-,%(.#+'(&+,)-".#")+:!('(+=(.*(+ "#/$%X-+#&"(.#'#+'!.#-"(+*!+(C(,!,%0-+:).+!-#+#,"!#,%0-+O#,")+)+2(< ,2)O+'(+&#+#'/%-%*".#,%0-+,)-".#"#-"(VY@+#..(3&#'#+#+1(.(,2)VN@+,!/< :&%'#+ (*:)-";-(#/(-"(VT+ (-+ (C(.,%,%)+ '(+ *!*+ :)"(*"#'(*+ :`$&%,#*+ 4+ -)+ _K!+0"55"@!>=@!$*&@D!;;@!HAJHT@ _`!2)B)!092!&)2"@!=&%$%,.BD!&+6+!//@!>=@!$*&@D!;)''#E+%!\I`!,!\IHD!;;@!H[JH\^!&'*+'+"(7"5)!'@!>=@!$*&@D! ;@!ATAJATT!,!ATKJAT`^!+0"55"@!>=@!$*&@D!;;@!HAJHT^!1'&.-)$$"@!>=@!$*&@D!;;@!TT\JTT_@ _H!&'*+'+"(7"5)!'@!>=@!$*&@D!;;@!ATAJATT@ KL!U*!E20%0!21#!#$&2#$*C1!(0!+&'#!#(6*1*%&'#$*C1D!;+('V#!&'#&#'%0!(0!21#!4*;C&0%*%!(0!#;-*$#$*C1!(0!-#! 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R20!0-!#$&+!06#10!(0!-#!;0'%+1#!;<=-*$#!$+1$0(01&0!+!(0!+&'#!;0'%+1#!;<=-*$#!(*%&*1&#@ KA!U*!-#!#$&2#$*C1!(0!-#!#(6*1*%&'#$*C1!E20'#!*-0?V&*6#D!%0!&'#&#'V#!(0!21#!4*;C&0%*%!(0!'0%;+1%#=*-*(#(!;+'! *-0?*&*6*(#(D!$+1&'#$&2#-!+!0.&'#$+1&'#$&2#-D!%0?<1!0-!$#%+@!fb#%0!&'*+'+"(7"5)!'@!>=@!$*&@D!;@!ATTD!,! +0"55"@!>=@!$*&@D!;@!`L@ KT!"1!0-!%01&*(+!(0!1+!;'+7+$#(#!+!'0R20'*(#!;+'!0-!$+$+1&'#&#1&0!1*!;+'!$*'$21%&#1$*#%!0.&'#+'(*1#'*#%! #G01#%!#!-#%!;#'&0%D!4*;C&0%*%!0%&#!<-&*6#!01$#'&#=-0!01!-#!M&0+'V#!(0!-#!*6;'07*%*C1O@!&'*+'+"(7"5)!'@! >=@!$*&@D!;@!ATT^!1'&.-)$$"@!>=@!$*&@D!;@!TTI^!+0"55"@!>=@!$*&@D!;@!`L@ Derecho PUCP, N°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e)+(/(.3(-"(+4+&!,.)+,(*#-"(O+(-+5#=).+'(&+,),)-".#"#-"(VW@+ B!(+(-+-#'#+=(+#"(-!#'#*+&#+(A%*"(-,%#+4+(A%3%$%&%'#'+'(+*!*+)$&%3#,%)-(*+ ,)-".#,"!#&(*]Y>+?(.)+"#/$%X-+(-+(*"(+,#*)@+*(3`-+&#+9-')&(+'(&+,)-".#")@+ (&+.(*"#$&(,%/%(-")+'(&+(B!%&%$.%)+,)-".#,"!#&+:!('(+*(.+'(+)".#+-#"!.#< &(M#@+:).+(C(/:&)+/('%#-"(+%-,.(/(-")*+(-+&#*+"#.%5#*@+*%+*(+".#"#+'(+&#+ :.(*"#,%0-+'(+!-+*(.=%,%)+:`$&%,)@+)+'(+&)*+:(#C(*+(-+!-#+,)-,(*%0-+'(+ )$.#+:`$&%,#]N> CONTRATOS DE LA ADMINISTRACIÓN EN EL DERECHO URUGUAYO MUTABILITY OF MANAGEMENT CONTRACTS IN URUGUAYAN LAW I X . A D M I S I Ó N D E L A M U TA B I L I D A D D E L O S C O N T R AT O S D E L A A D M I N I S T R A C I Ó N P O R E L T R I B U N A L D E C U E N TA S D E L A R E P Ú B L I C A J-"(*+*(+*(e#&0+&#+:)*%,%0-+*%-3!&#./(-"(+.93%'#+#'):"#'#+:).+(&+I.%$!< -#&+'(+G!(-"#*+'(+&#+d(:`$&%,#+*)$.(+(&+P:.%-,%:%)+'(+%-/!"#$%&%'#'Q+ '(+&)*+,)-".#")*+,(&($.#')*+:).+&#+#'/%-%*".#,%0->+\(+#&!'%0+#&&9+#&+,#*)+ *%-+'!'#+/;*+-)").%)+(-+B!(+(&+".%$!-#&+,!(*"%)-0@+(&+U+'(+'%,%(/$.(+'(+ TYYU@+&#+&(3%"%/%'#'+'(+&#*+/)'%5%,#,%)-(*+#,).'#'#*+:).+&#*+:#."(*+#+!-#+ ,)-,(*%0-+'(+!*)+'(+!-+2)"(&+/!-%,%:#&> K[!10+%#(,)+/>#'$@!M"G0$2$*C1!(0!-+%!$+1&'#&+%iO@(>=@!$*&@D!;;@!_\J__^!+0"55"@!>=@!$*&@D!;;@!KHJ`L@!U*!%0! #$&2#'#!0G0'$*01(+!E#$2-&#(0%!$+1&'#$&2#-0%D!-#!4*;C&0%*%!%0!'0?*'V#!;+'!-+%!;'*1$*;*+%!(0-!$26;-*6*01&+!(0! -+%!$+1&'#&+%@ KI!U+='0! -#! 21*-#&0'#-*(#(! (0-! #$&+! (0! -#! #(6*1*%&'#$*C1! 6+&*7#1&0! 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'%.,$/"$+*'%+C*11%E&$/"!$<%"&$1,:K&$*!$A-"$*)-&'*(,&$!*+$)*('"+$*!$1,&'(*'*(Q+ E,)-*%'(.#-')+[Fg+ abc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i$+"$!,7(*$),($:"/%,$/"$-&*$:,/%C%1*1%E&$/"$!*+$ 1!I-+-!*+$/"!$1,&'(*',Q+E,)-*%'(.#-')+VF> `T!N+(#%!-#%!$2'%*7#%!(0!-#%!$*&#%!%+1!6V#%@ Derecho PUCP, N°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Ó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`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ÓN J+*(/(C#-M#+'(+&#+*)&!,%0-+=%3(-"(+(-+(&+1(.(,2)+,)/:#.#')@+"#/$%X-+ (-+ (&+ 1(.(,2)+ :)*%"%=)+ !.!3!#4)+ '($(+ #'/%"%.*(@+ #!-+ (-+ #!*(-,%#+ '(+ -)./#+(A:.(*#@+&#+/!"#$%&%'#'+'(+&)*+,)-".#")*+,(&($.#')*+:).+&#+#'/%< -%*".#,%0-+,!#-')+*!*+(*"%:!&#,%)-(*+)$*"(-+#&+'($%')+,!/:&%/%(-")+'(+ *!*+,)/("%')*+,)-5)./(+,)-+(&+1(.(,2)+4+&)*+:.%-,%:%)*+'(+$!(-#+#'/%< -%*".#,%0-+4+(-+=%."!'+'(+,%.,!-*"#-,%#*+*!:(.=%-%(-"(*+#+&#+,(&($.#,%0-+ '(&+,)-".#")+)@+(-+*!+,#*)@+#+&#+:.(*(-"#,%0-+'(+&#*+)5(."#*+(-+(&+:.),('%< /%(-")+,)/:("%"%=)+:.(=%)@+,)-+&#+5%-#&%'#'+'(+:)*%$%&%"#.+&#+*#"%*5#,,%0-+ '(&+%-"(.X*+:`$&%,)+:(.*(3!%')+#&+,)-".#"#.> Derecho PUCP, N°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`-%,)+:.):0*%")+ '(+".%!-5#.+(-+(&+:.),('%/%(-")+,)/:("%"%=)+4+,)-+&#+:.(/('%"#'#+%-< "(-,%0-+'(+:.("(-'(.+*!+/)'%5%,#,%0-+5#=).#$&(+'!.#-"(+&#+(C(,!,%0-+'(+ ,)-".#")>+8-+"#&+,#*)@+*)&)+*(.;+&9,%")+#+&#+#'/%-%*".#,%0-+(A%3%.+(&+,!/:&%< /%(-")+(-+&)*+"X./%-)*+:#,"#')*+4+#:&%,#.+")'#*+&#*+*#-,%)-(*+4+.(,&#/#.+ &#+.(:#.#,%0-+'(+")')*+&)*+'#e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erecho PUCP, N° 66, 2011 / ISSN 0251-3420