Tax Abbreviations and Acronyms
- IRPInformation Return Program
- IRPInformation Return Processing
- IRPACInformation Reporting Program Advisory Committee
- IRPJImposto De Renda Soqre Pessoa Jurídica
- IRRFImposto De Renda Retido Na Fonte
- IRRFInforme De Rendimentos E Retenção Na Fonte
- IRSIntegrated Resources
- IRSIndian Revenue Service
- IRSIlluminati Revenue Service
- IRSInfovmation Requests
- IRSInterior Revenue Service
- IRSInternal Review Service
- IRSIbternational Revenue Service
- IRSInternet Revenur Service
- IRSInternational Revenue Services
- IRSInternat Revenue Service
- IRSInterpretations of Regulations
- IRSACInternal Revenue Service Advisory Council
- IRSFIeland Revenue Staff Federation
- IRSISInternal Revenue Stamp Integrated System
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