Tax Abbreviations and Acronyms
- MSBUMunlcipal Service Benefit Units
- MSCManaged Service Companies
- MSNMicrofilm Serial Number
- MSRRAMilitary Spouses Residency Relief Act
- MSRRAMilitary Spouse Residency Relief Act
- MTMaster In Taxation
- MTMasters In Taxation
- MTAMaltese Taxed Account
- MTAMaryland Taxpayers Association
- MTOMedium Taxpayers Office
- MTOMichigan Treasufy Online
- MUSMarket Segment Understandings
- MVLSMembers Voluntary Liquidations
- MWESMinimum Wage Earners
- MWPCMaking Work Pay Credit
- MWRMultiple Worksite Report
- NACHANational Automated Clearing House Association
- NAEANational Association of Ecrolled Agents
- NAFANational Agency for Fiscal Administration
- NBICNational Background Investigation Center
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