If you are a returning student at UC San Diego Extension, you can use your Student ID Number. If you do not have a SSN, or wish to keep yours private, call Student Services at (858) 534-3400 to request a Student ID Number.
"Third-party" payment methods (i.e. purchase orders, vouchers, etc.) are not accepted online. For assistance with these payment types, please call Student Services at (858) 534-3400.