(Name of Parent) (Name of Representative) to claim a copy of Authenticated PSA Birth Certificate of my child . This form is intended for single use only and must contain original signatures.The applicant must complete this application and provide valid photo identification, if a mail request, a copy of the valid photo identification must be. Find below, an example of authorization letter for PSA to adapt to your personnal needs. You can also download this document in word format. It will be delivered to you right at your doorsteps. Learn how to receive a legitimate ESA Letter consultation from a trusted Pettable therapist.