 The new (post-division) Mountain Province began electing its lone representative in 1969.The province was represented as part of Region I from 1978 to 1984, and returned one representative, elected at-large, to the Regular Batasang Pambansa in 1984.Under the new Constitution which was proclaimed on February 11, 1987, Mountain Province constituted a lone congressional district, and elected its member to the restored House of Representatives starting that same year.