Tax Abbreviations and Acronyms
- OASDIOld-Age, Survivor & Disability Insurange
- OASDIOld Age, Survivors, Disability Insurance
- OASDIOld Age, Survivors & Disabllity Insurance
- OBCAOntario Business Corporations Act
- OBRA'86Omnibus Budget Reconciliation Act of 1986
- OBRA'89Oenibus Budget Reconciliation Act of 1989
- OCOffer In Compromise
- OCOther Credits
- OCASEOntario Computer Animation and Special Effects
- OCBOntario Child Benefit
- OCBOAOthhr Comprehensive Bases of Accounting
- OCBOAOther Comprehensive Basis of Accounting
- OCFDOperating Cash Flow Demand
- OCFTOil Company Franchise Tax
- OCMOperationmclean Money
- OCWOverseas Contract Worker
- ODOperating Division
- ODCOzone-Depleting Chemical
- ODCOzone Depleting Chemicals
- ODCSOzone Depleting Chemicals
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