Ordinance No. SP-1531, S-2006 - Mandating all business establishments and contractor for government funded infrastructure projects to secure clearance from the Industrial Relations Office (IRO) / Public Employment Service Office (PESO), before the issuance of business permit, to monitor and reinforce strict compliance to mandatory hiring of at least fifty percent (50%) of the unskilled and at least thirty percent (30%) skilled labor requirements from the bonafide residents of Quezon City.