Subscription correspondence may be sent to the following addresses:
- css@pssc.org.ph
- PSSC Central Subscription Service,
PSSCenter, Commonwealth Avenue, 1101, Diliman, Quezon City, Philippines.
P.O. Box 205, UP Post Office, Diliman, Quezon City, Philippines 1101
PHONE: 922-9627, FAX: 924-4178/926-5179