About Oath of Subscribing Witness(es)
Establishes the validity of a will or codicil by obtaining sworn testimony from witnesses that they observed the testator sign the document and signed it themselves as required by law.
When you'd use it: When submitting a will or codicil to the Register of Wills in Pennsylvania and the subscribing witnesses must provide sworn testimony regarding their presence and participation in the signing ceremony.
Where to get the official form
The official version of Oath of Subscribing Witness(es) is published as a PDF by the Pennsylvania courts. We checked this link and it resolved to a form on an official court or government website — always download the current version directly from the source rather than a third-party copy:
Download Oath of Subscribing Witness(es) (PDF) →
Source: mckeancountypa.gov
Link last checked: June 27, 2026
How to file Oath of Subscribing Witness(es) in Pennsylvania
- Step 1 — Confirm you have the correct formUse Oath of Subscribing Witness(es) (RW-03) when when submitting a will or codicil to the Register of Wills in Pennsylvania and the subscribing witnesses must provide sworn testimony regarding their presence and participation in the signing ceremony. Double-check it's the right form for your situation — Pennsylvania probate forms are revised periodically, so verify the name and number against your court's current form list before you start.
- Step 2 — Complete every required fieldFill out Oath of Subscribing Witness(es) carefully and review it for errors before filing. Probate cases can already take months — a small mistake on the form can set your timeline back further.
- Step 3 — Get it notarized or witnessed if requiredSome probate forms must be signed in front of a notary or witnesses. Check the instructions on the form itself, and arrange notarization before you file if it's required.
- Step 4 — File it with the correct courtSubmit Oath of Subscribing Witness(es) to the probate court or county clerk handling the estate — usually in the Pennsylvania county where the deceased lived. Ask the clerk how they prefer to receive filings (in person, by mail, or e-filing).