Form 355S Instructions - Web 355s corporate excise forms. This form has an electronic filing requirement. For most calendar year filers, returns are due april 15, 2021. Web we last updated the massachusetts s corporation excise return in january 2024, so this is the latest version of form 355s,. Web forms 355 and 355s. S corporation excise return (english, pdf 1.03 mb) 2022 form 355s. This form has an electronic filing requirement. Business corporations with taxable years ending in the same month as the taxable year for which the. Open pdf file, 326.64 kb,.
Open pdf file, 326.64 kb,. This form has an electronic filing requirement. Web 355s corporate excise forms. S corporation excise return (english, pdf 1.03 mb) 2022 form 355s. Web we last updated the massachusetts s corporation excise return in january 2024, so this is the latest version of form 355s,. For most calendar year filers, returns are due april 15, 2021. Web forms 355 and 355s. This form has an electronic filing requirement. Business corporations with taxable years ending in the same month as the taxable year for which the.