Form I-797 C Notice of Action is an official USCIS letter of Receipt of payment, Rejection, transfer, fingerprint, interview appointment sent by USPS mail.
Sample FBI Police verification letter contains SSN last 4 digit, validity 12 months. Get by email as PDF file.
Sample FD-258 Fingerprint Form - print on A4 white paper. Use black ink for taking fingerprints yourself or at US local Police station for use in FBI clearance.
Sample one and same person affidavit for multiple names on education degree, passport and work experience letters. Use for Canada, Australia Visa or PR.
H4 EAD cannot work while extension pending and EAD expired. Automatic 180 day extension not allowed by USCIS. Stop working on card expiry date. Leave of Pay not recommended.
Travel While H4 EAD is Pending is allowed. Pending H4 extension or COS may be abandoned, H4 EAD may receive RFE to prove H4 status by sending new i94.