To file an amended Pennsylvania state return, print, sign and mail the amended return to one of the following mailing addresses for the PA Department of Revenue:
If you owe additional tax:
PA Department of Revenue
Payment Enclosed
1 Revenue Place
Harrisburg, PA 17129-0001
If you are due an additional refund:
PA Department of Revenue
Refund/Credit Requested
3 Revenue Place
Harrisburg, PA 17129-0003
If you neither owe additional tax or aren't due an additional refund:
PA Department of Revenue
No Payment / No Refund
2 Revenue Place
Harrisburg, PA 17129-0002