Source:
Philippines Port Authorities (PPA) reconfirmed that ports under its purview shall remain open in the entire duration of the "enhance community quarantine" being imposed in the entire Luzon region, provided that there will be strict ‘no embarkation/disembarkation of crew’ and subject to the requirements of the Bureau of Quarantine and the Department of Health. PPA also issued guidelines to facilitate the functioning of transports and logistics network.
Sources: https://www.ppa.com.ph/content/ppa-issues-guidelines-unhampered-cargo-movements-amid-luzon-wide-quarantine; https://www.ppa.com.ph/content/manila-ports-fear-shut-down-due-continued-cargo-congestion-slow-pull-out