If you have a copy of the executed POA, you need to write “REVOKE” across the top of the first page with a current signature and date. If you do not have a copy of the executed POA, you need to send the IRS a
Form 1040– Individual Income Tax Return Form 1040, Schedules A & B– Itemized Deductions & Interest and Dividend Income Form 1040, Schedule C– Profit or Loss From Business Form 1040, Schedule C-EZ Topic – Power of Attorney (POA)