The Commission on the Filipino Language (CFL), also referred to as the Komisyon sa Wikang Filipino (KWF), is the official regulating body of the Filipino language and the official government institution tasked with developing, preserving, and promoting the various local Philippine languages. The commission was established in accordance with the 1987 Constitution of the Philippines. Established by Republic Act No. 7104 in 1991, the commission is a replacement for the Institute of Philippine Languages (IPL; Linangan ng mga Wika sa Pilipinas) that was set up in 1987 which was a replacement of the older Institute of National Language (INL; Surian ng Wikang Pambansa), established in 1937 as the first government agency to foster the development of a Philippine national language. The 1st National Assembly of the Philippines passed Commonwealth Act No. 184 of 1936, establishing the Institute of National Language (Surian ng Wikang Pambansa). On January 12, 1937, President Manuel L. Quezon appointed the members to compose the INL. By virtue of Executive Order No. 134 issued and signed by President Quezon on December 30, 1937, approved the adoption of Tagalog as the basis of the national language, and declared and proclaimed the national language based on Tagalog, as the national language of the Philippines. Quezon himself was born & raised in Baler, Aurora, which is a native Tagalog-speaking area. In 1938, the INL was dissolved and replaced with the National Language Institute. Its purpose was to prepare for the nationwide teaching of the Tagalog-based national language (Wikang Pambansa na batay/base sa Tagalog) by creating a dictionary and a grammar book with a standardized orthography. In the school year of 1940–1941, the teaching of the national language (wikang pambansa), with its new standardized orthography, was set by law in the fourth year of all high schools in both public and private schools throughout the country. The Tagalog-based national language was taught in school only as one of the subject areas in 1940, but was not adapted as the medium of instruction.