| Category | Description | Date Added |
|---|---|---|
| Admin | TIR 26-5: Interest Rate On Overpayments And Underpayments | 9/1/26 |
| Corp | Proposed 830 CMR 63.38QQ.1: Live Theater Tax Credit | 6/30/26 |
| Income/Corp | Working Draft TIR: Tax Provisions in the Fiscal Year 2026 Final Mid-Year Supplemental Appropriation Bill | 6/23/26 |
| Income/Corp | TIR 26-4: Massachusetts Tax Conformity to Certain Provisions in Public Law No. 119-21 | 6/23/26 |
| Withholding | 830 CMR 62B.2.1: Withholding of Taxes on Wages and Other Payments | 6/5/26 |
| Witholding | 830 CMR 62B.2.3: Motion Picture Production Company Withholding | 6/5/26 |
| Income | Working Draft 830 CMR 62.6.3: Lead Paint Removal Credit | 6/2/26 |
Updated - September 1, 2026