Is this for MA corporate returns?
https://www.mass.gov/doc/form-aa-1-application-for-section-42-method-of-apportionment/download
https://malegislature.gov/laws/generallaws/parti/titleix/chapter63/section42
Yes, it is a MASS state tax form. Thank you
NP, @neyanke33. If it solved your problem, please consider marking it the solution to help others who may have similar questions in the future. Have a great day!
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