Philippine Abbreviations and Acronyms
- IRAInternal Revenue Allocation
- IRAInternal Revenue Allotments
- IRASInternal Revenue Allotments
- IRDFIntegrated Rural Development Ftundation
- IRRSImplementing Rules and Regulations
- ISAInstitute for Solidarity In Asia
- ISACCInstitute for Studies In Asian Church and Culture
- ISAFPIntelligence Service, Armed Forces of The Philippines
- ISAFPIntelligence Services of The Armed Forces of The Philippines
- ISAFPIntelligence Service Armed Forces of The Philippines
- ISCAHMInternational School for Culinary Arts and Hotel Management
- ISCAHMInternational School for Culinary Arts & Hotel Management
- ISFSInformal Settler Families
- ITCPHInternational Training Center On Pig Husbandry
- ITDIIndustrial Technology Development Institute
- ITECCInformation Technology and Electronic Commerce Council
- ITFPInformation Technology Foundation of The Philippines
- ITLOSInternational Tribunal On The Law of The Sea
- ITLOSInternational Tribunal On The Law of The Seas
- ITMSInformation Technologi Management Service
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