0 0 4 ▁and ▁ 2 0 0 9 ▁" to ▁impro per ly ▁obtain ▁paper work ▁necessary ▁for ▁goods ▁to ▁clear ▁custom s ; ▁permit ▁clear ance ▁of ▁items ▁without ▁the ▁necessary ▁paper work ▁and / or ▁the ▁clear ance ▁of ▁prohib ited ▁items ; ▁and ▁on ▁occasion , ▁to ▁avoid ▁ins pection ▁entirely ." ▁ ▁Buenos ▁Aires ▁municipal ▁contract s ▁( 2 0 1 3 ) ▁C iv ic ▁watch dog ▁group ▁P oder ▁Ciudad ano ▁(' C it izen ▁Power ') ▁expressed ▁concern ▁over ▁the ▁Buenos ▁Aires ▁Public ▁Cont ract s ▁Law ▁passed ▁November ▁ 2 0 1 3 ▁by ▁the ▁Buenos ▁Aires ▁City ▁Legisl ature ▁and ▁ur ged ▁that ▁it ▁be ▁v eto ed ▁by ▁Mayor ▁Maur icio ▁Mac ri , ▁who ▁promoted ▁and ▁signed ▁the ▁bill . ▁The ▁concern ▁was ▁that ▁the ▁laws , ▁dealing ▁with ▁municipal ▁government ▁contract s , ▁would ▁reduce ▁trans par ency ▁and ▁eliminate ▁control ▁mechan isms , ▁thus ▁prom oting ▁cor ruption . ▁P oder ▁Ciudad ano ▁similarly ▁den ounced ▁the ▁municipal ▁waste ▁management ▁b idd ing ▁process ▁and ▁service ▁( 2 0 % ▁of ▁the ▁city ' s ▁budget ) ▁for ▁its ▁lack ▁of ▁o vers ight ▁in ▁a ▁ 2 0 1 3 ▁report . ▁ ▁Mayor ▁Mac ri , ▁elected ▁to ▁the ▁post ▁in ▁ 2 0 0 7 , ▁priv at ized ▁numerous ▁city ▁services ▁and ▁made ▁un pre ced ented ▁use ▁of ▁sub cont ract ors ▁in ▁the ▁construction ▁of ▁municipal ▁public ▁works ; ▁exp end it ures