This work is in the public domain in the Philippines and possibly other jurisdictions because it is one of the following types of works that are not protected by copyright, under Section 175 of Republic Act No. 8293 or the Intellectual Property Code of the Philippines:

1. Any idea, procedure, system, method or operation, concept, principle, discovery or mere data as such, even if they are expressed, explained, illustrated or embodied in a work.
2. News of the day and other miscellaneous facts having the character of mere items of press information.
3. Any official text of a legislative, administrative or legal nature, as well as any official translation thereof.

See also: Commons:Unprotected works.

This work is in the public domain in the U.S. because it is an edict of a government, local or foreign. See § 313.6(C)(2) of the Compendium of U.S. Copyright Office Practices, 3rd ed. 2014 (Compendium (Third)). Such documents include "legislative enactments, judicial decisions, administrative rulings, public ordinances, or similar types of official legal materials." These do not include works first published by the United Nations or any of its specialized agencies, or by the Organization of American States. See Compendium (Third) § 313.6(C)(2) and 17 U.S.C. § 104(b)(5).

A non-American governmental edict may still be copyrighted outside the U.S. Similarly, the above U.S. Copyright Office Practice does not prevent U.S. states or localities from holding copyright abroad, depending on foreign copyright laws and regulations.