Is this a state form?  Which state?

Is this for MA corporate returns?

https://www.mass.gov/doc/form-aa-1-application-for-section-42-method-of-apportionment/download

https://www.mass.gov/administrative-procedure/ap-304-applications-for-section-42-method-of-apportion...

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!