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Individual Final Tax Return- Refund
Use if requesting a refund
PO Box 509
Individual Final Tax Return-Payment Due
Use if return is sent with payment
PO Box 529
Individual Final Tax Return
Use if no payment/ no refund
PO Box 549
Tax Return Supporting Documentation
If filed separately from tax return
PO Box 506
Individual Quarterly Estimates
PO Box 539
Late-Filed Individual Tax Return
PO Box 504
Delinquent Earned Income Tax
PO Box 499
Employer Withholding Tax
PO Box 559
Employer Compliance
PO Box 506
546 Wendel Road, Irwin, Pennsylvania 15642, United States
(724) 978-0300 (For individual taxpayers) (724) 978-0328 (For employers)