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... David M. Steingold ... You can download blank Forms M-4 from the withholding tax forms section of the DOR website. ... Form M-942, quarterly uses Form M-941, and annually uses Form M-941A. ... In addition, weekly payers must file a quarterly return, Form M- 941D, that reconciles their payments ... For help calculating how much tax to withhold, check the latest version of DOR Circular M, Income Tax ... of Massachusetts Income Taxes Withheld for Employers Filing Quarterly, or Form M-3M, Reconciliation ...