Explore an example of an authorization letter for PSA that can be customized to your needs. Download this document in Word format for free.(Name of Parent) (Name of Representative) to claim a copy of Authenticated PSA Birth Certificate of my child . The Authorization is a tool for police to eject or arrest persons who have no right to be on certain property without the necessity of the owner's presence. This authorization is effective from the date of this letter until the completion of the required transactions or until I revoke this authorization in writing.