By regular mail: University of Southern California USC Office of Graduate Admission 3601 South Flow

By regular mail: University of Southern California USC Office of Graduate Admission 3601 South Flower Street, Room 112 Los Angeles, CA 90089-0915 By courier service such as DHL or FedEX: University of Southern California USC Office of Graduate Admission and Financial Aid 3601 South Flower Street, Tyler 1 Los Angeles, CA 90089-0915 Guys, I used DHL but used the "regular mail" address. Will this cause any problem? and I sent only 1 transcript!