I just received this from a freind:
In the area of shipbuilding, I believe MARINA has no legal jurisdiction over you if you are simply boatbuilding as a hobby and not for profit. MARINA's Memorandum Circular enforcing licensing for all shipbuilders can be challenged for overstepping the authority granted under PD 474:
http://www.lawphil.net/statutes/presdec ... _1974.html
a. "Maritime Industry", briefly referred to as "industry" in the broadest concept of the term. All enterprises engaged in the business of designing, constructing, manufacturing, acquiring, operating, supplying, repairing and/or maintaining vessels, or component parts thereof; of managing and/or operating shipping lines, stevedoring arrastre and customs brokerage services, shipyards, drydocks, marine railways, marine repair shops, shipping and freight forwarding agencies and similar enterprises.
Section 4. Maritime Industry Authority, Creation and Organization. There is hereby created a Maritime Industry Authority, hereinafter referred to as the "Authority", under the Office of the President. It shall be composed of a governing board of directors to be known as Maritime Industry Board and the Management.
The Authority shall have general jurisdiction and control over all persons, corporations, firms or entities in the maritime industry of the Philippines and shall supervise, regulate in accordance with this Decree.
Clearly, MARINA only has jurisdiction over an enterprise or person engaged in the business of shipbuilding.