Many entities have been called a Constitutional Commission with the general purpose of reviewing a constitution, or planning to create one.
In 1985 a Constitutional Commission was established (by the Hawke Labor government) to review the Australian Constitution and reported in 1988. It was seen as too partisan by many Liberals and the eventual referendum questions were not supported; leading to the lowest 'yes' vote count for any referendum in Australia (in 1988).
The Quebec-initiated Royal Commission of Inquiry on Constitutional Problems of 1953 to 1956 argued (unsuccessfully) for the devolution of more powers to the Province of Quebec.
The federal Royal Commission on Bilingualism and Biculturalism recommended (successfully) that Canada become officially bilingual and bicultural (later modified to multicultural).
In January 1942, the Philippine Executive Commission, or PEC, was established as the temporary caretaker government of the City of Greater Manila, and eventually, of the whole Philippines during the Japanese occupation of the country during World War II. The PEC existed until the Japanese-sponsored Second Philippine Republic was established in October 1943.
In 1986, President Corazon Aquino dissolved the 1973 Constitution and called for its revision. From February 1986 to February 1987, the Philippines was governed under a provisional constitution called the "Freedom Constitution", which was drafted by her Executive Secretary Joker Arroyo. In September 1986, the Constitutional Commission of 1986 was set up with all its members appointed by Aquino. The revised Philippine Constitution was ratified by a plebiscite with 76% of votes in the affirmative.
An unrelated concept is a "constitutional commission", which is a commission created by the 1987 Constitution. These are governmental bodies that are independent of the three main branches of government. These constitutional commissions are the:
The 1987 Constitution does not place upon a constitutional commission the task of amending the Constitution--that task falls to the Constitutional Convention, the Constituent Assembly, or the People's Initiative, the three constitutionally sanctioned methods of amending the Constitution.