▁As ing " ▁( PO A ) ▁and ▁in ▁Article ▁ 5 ▁author ised ▁the ▁issu ance ▁of ▁PO As ▁to ▁persons ▁dwell ing ▁in ▁Indones ia . ▁Article ▁ 6 ▁stated ▁that ▁the ▁valid ity ▁period ▁would ▁only ▁be ▁eight ▁to ▁twelve ▁months ▁and ▁could ▁not ▁be ▁extended , ▁in ▁contrast ▁to ▁ordinary ▁pass ports ▁which ▁were ▁issued ▁for ▁two ▁years ▁and ▁could ▁be ▁extended ▁twice ▁by ▁that ▁same ▁length ▁of ▁time . ▁The ▁ 1 9 5 9 ▁Tra vel ▁Document s ▁Act ▁switched ▁to ▁using ▁the ▁term ▁" P as por ▁U nt uk ▁Or ang ▁As ing " ▁( PU O A ) ▁but ▁gave ▁similar ▁prov isions ▁on ▁issu ance , ▁and ▁author ised ▁a ▁longer ▁valid ity ▁period ▁of ▁eigh teen ▁months , ▁again ▁non - ren ew able . ▁Article ▁ 3 4 ▁of ▁the ▁ 1 9 9 2 ▁Im m igration ▁Act ▁restricted ▁the ▁issu ance ▁of ▁P U O As ▁to ▁al iens ▁perman ently ▁resident ▁in ▁Indones ia , ▁and ▁clar ified ▁that ▁a ▁P U O A ▁los es ▁valid ity ▁if ▁its ▁holder ▁obtain s ▁a ▁travel ▁document ▁from ▁another ▁country . ▁ 1 9 9 4 ▁Tra vel ▁Document ▁Reg ulations ▁explained ▁that ▁the ▁P U O A ▁is ▁equivalent ▁to ▁the ▁international ▁term ▁" cert ificate ▁of ▁identity ", ▁and ▁that ▁its ▁period ▁of ▁valid ity ▁may ▁not ▁be ▁extended . ▁The ▁ 2 0 1 1 ▁Im m igration ▁Act ▁makes ▁no ▁provision ▁for ▁the ▁P U