Is it just the Application (Notarized), Passport Photo, Letter of Authorization, and Payment right?
Application (notarized) - yes
Passport Photo - yes
Letter of Authorization - huh?
Payment - yes
Missing from your list:
Proof of legal and lawful presence - your "letter of authorization"?
and a self-addressed stamped #10 envelope
1. Out-of-state pistol permits may be renewed by mail. Effective 10/01/11, in-state renewals may also be completed by mail. 2. Confirm the accuracy of the information on
DPS-129-C. If corrections are required, draw a single line through any incorrect information and write in the correct information.
Sign the corrected form in the presence of a notary prior to mailing. 3. Using transparent tape, attach a
2” x 2” color passport photo, taken within the previous six (6) months, in the box provided. 4.
Include a $70.00 check or money order made payable to “Treasurer, State of Connecticut.” Do not send cash. 4.
Proof of legal and lawful presence in the United States is required. Acceptable forms of proof include a birth certificate, U.S. passport, or documentation of permanent residence from the U.S. Citizenship and Immigration Services. Do not send originals. 5. I
nclude a self-addressed, stamped #10 envelope.
Source:
https://portal.ct.gov/-/media/DESPP/CSP/files/DPS-769-C.pdf