The people may reject laws by referendum.
(a) A referendum petition shall contain the full text of the law sought to be rejected. If the law is a general law for the Commonwealth, the petition shall be signed by at least twenty percent of the persons qualified to vote in the Commonwealth. If the law is a local law that affects only one senatorial district, the petition shall be signed by at least twenty percent of the persons from the senatorial district who are qualified to vote.
(b) A referendum petition shall be filed with the attorney general for certification that the requirements of section 2(a) have been met.
(c) A referendum petition certified by the attorney general shall be submitted to the voters at the next regular general election that is held at least thirty days from the date the petition has been certified.
(d) A referendum petition concerning a general law for the Commonwealth shall take effect if approved by a majority of the votes cast by persons qualified to vote in the Commonwealth. A referendum petition concerning a local law shall take effect if approved by a majority of the votes cast by persons from the senatorial district who are qualified to vote. A law that is the subject of an approved petition shall become void and be repealed thirty days after the date of the election unless the petition provides otherwise.