Dear Sir,
Sub: Request for a duplicate appointment letter
Ref: Name......... Employee No......
I have been appointed as ______ in the Organization and working in the capacity of __________. I reported for duty on _________. On perusing my old records in my personal file, I found that my appointment letter is missing. I searched for the same at all possible places at home, and my efforts were in vain. Kindly issue me a duplicate appointment letter for my records and oblige.
Thanking you in advance,
Yours sincerely,