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Updated: Febuary 4, 2022
- 2021 Form M-9325: Electronic Filing Information Handout
- 2021 Form M-8453: Individual Income Tax Declaration for Electronic Filing
- 2021 Form M-8453C: Corporate Tax Declaration for Electronic Filing
- 2021 Form M-8453CR: Nonresident Composite Return Tax Declaration for Electronic Filing
- 2021 Form M-8453ELT, Entity Level Tax Declaration for Electronic Filing
- 2021 Form M-8453F: Fiduciary Tax Declaration for Electronic Filing
- 2021 Form M-8453P: Partnership Tax Declaration for Electronic Filing
- Tax Year 2021 Handbook for Electronic Filers of Massachusetts Individual Income Tax Returns (Publication M-1345)
- Form M-2848: Power of Attorney and Declaration of Representative
- DRAFT 2021 Form EFO: Personal Income Tax Declaration of Paper Filing