Hello casper1972
here is the format which i got it from this forum....i hope this helps..
To address
USCIS TSC,
P.O. Box 851488,
Mesquite, TX 75185-1488
Phone: 800-375-5283
Fax: 214-489-8021
Just regular mail, no fax, no phone. The letter looks like:
EXPEDITED PROCESS...