The Philippines is a signatory to IMO Conventions on Marine Pollution of 1973 and 1978 (MARPOL 73/78). The Philippine Coast Guard under RA 9993 is the sole agency responsible for the Philippine implementation of the Conventions with regards to oil pollution, prevention, mitigation and control through the conduct of marine pollution monitoring and control, enhancement of PCG capability and oil spill response operations and enforcement of all marine environmental laws and regulations.