Mi W 9 Form - Web if you received a letter of inquiry regarding annual return for the return period of 2021, visit michigan treasury online (mto) to. December 2014) department of the treasury identification number and certification. Filer’s full social security no. Last name if a joint return, spouse’s first name m.i.
Last name if a joint return, spouse’s first name m.i. December 2014) department of the treasury identification number and certification. Web if you received a letter of inquiry regarding annual return for the return period of 2021, visit michigan treasury online (mto) to. Filer’s full social security no.