Order and Pay Online
Effective April 30, 2025, all tax certification requests and payments must be completed online at:
Keystone will no longer accept mailed tax certification requests or check payment after April 30, 2025.
- Submit multiple requests a single transaction.
- Automatic calculation of tax certification fees.
- Make payment using a credit card or ACH Checking.
Access the online tax certification user guide for detailed instructions.
A complete list of tax certification fees can be obtained by emailing moc.stcellocenotsyek@strecxat or completing the contact us form.
Mail completed form and check payment to:
US Mail
Tax/Fee Certification
PO Box 514
Irwin, PA 15642
Overnight Mail (Fed Ex, UPS)
Tax/Fee Certification
546 Wendel Road
Irwin, PA 15642
IMPORTANT: Please allow 7-10 business days from the time your payment has cleared to receive your tax certification.