s ▁transferred ▁from ▁the ▁Department ▁of ▁Lic enses ▁and ▁In spe ctions : ▁▁ ▁Iss u ance ▁of ▁Lo ading ▁Zone ▁Perm its ▁ ▁Administration ▁of ▁the ▁Res ident ial ▁Park ing ▁Perm it ▁Program ▁ ▁A ▁vast ▁majority ▁of ▁re venue ▁for ▁On - St reet ▁par king ▁for ▁P PA ▁is ▁generated ▁from ▁ticket ing ▁viol ations ▁( 6 3 %) ▁and ▁meter ▁par king ▁( 2 9 %). ▁Other ▁re venue ▁categories ▁compr ise ▁less ▁than ▁ 9 % ▁of ▁P PA ' s ▁On - St reet ▁par king ▁income . ▁ ▁Bo oting ▁A ▁program ▁to ▁" boot " ▁repeat ▁par king ▁viol ation ▁off enders ▁was ▁author ized ▁by ▁City ▁Council ▁in ▁ 1 9 8 3 . ▁ ▁Tax ic abs ▁and ▁lim ous ines ▁The ▁Author ity ▁was ▁author ized ▁by ▁the ▁General ▁Assembly ▁in ▁July ▁ 2 0 0 4 ▁to ▁reg ulate ▁tax is ▁and ▁lim ous ines ▁operating ▁in ▁the ▁city , ▁and ▁to ▁adopt ▁and ▁en force ▁reg ulations ▁for ▁their ▁operations . ▁ ▁Pil ot ▁red ▁light ▁safety ▁program ▁The ▁Author ity ▁has ▁been ▁author ized ▁by ▁the ▁General ▁Assembly ▁to ▁admin ister ▁a ▁pilot ▁red ▁light ▁enfor cement ▁program . ▁Camer as ▁are ▁installed ▁at ▁inter sections ▁with ▁a ▁high ▁accident ▁rate , ▁and ▁fin es ▁are ▁im posed ▁for ▁motor ists ▁who ▁run ▁red ▁lights . ▁Notices ▁are ▁sent ▁by ▁mail ▁to ▁off enders , ▁based ▁on ▁photos ▁of ▁license ▁pl ates ▁and ▁the ▁motor ists ▁themselves .