Issues in relation to which referendums are optional at the national level

1987 CONSTITUTION OF THE REPUBLIC OF THE PHILIPPINES

http://www.chanrobles.com/philsupremelaw1.htm

XVII AMENDMENTSAND REVISIONS

Sec. 2. Amendmentsto this Constitution may likewise be directly proposed by the people throughinitiative upon a petition of at least twelve per centum of the total number ofregistered voters, of which every legislative district must be represented by atleast three per centum of the registered votes therein. No amendment under thissection shall be authorized within five years following the ratification ofthis Constitution nor oftener than once every five years thereafter.

Arrticle VILEGISLATIVE DEPARTMENT

Sec. 32. TheCongress shall, as early as possible, provide for a system of initiative andreferendum, and the exceptions therefrom, whereby the people can directlypropose and enact laws or approve or reject any act or law or part thereofpassed by the Congress or local legislative body after the registration of apetition therefor signed by at least ten per centum of the total number ofregistered voters, of which every legislative district must be represented byat least three per centum of the registered voters thereof.