Certificates of quarantine discharge.
Section 9
SEC. 9. Certificates of quarantine discharge.—It shall be unlawful for any vessel or aircraft from a foreign country to call at any seaport or airport in the Philippines, to discharge its cargo, or land its passengers except when certified by the quarantine officer that the regulations prescribed under this Act have in all respects been complied with by such vessel or aircraft. This certificate of quarantine discharge shall be a prerequisite to Customs clearance.