Prior to gaining joint representation, areas now under the respective jurisdictions of Taguig, Pateros and Muntinlupa were represented under the
provinces of
Manila (1898–1899) and
Rizal (1907–1972). These three municipalities were separated from the latter to form the
Metropolitan Manila Area on 7 November 1975 by virtue of Presidential Decree No. 824; Metro Manila was represented in the
Interim Batasang Pambansa as
Region IV from 1978 to 1984. Among the amendments to the 1973 Constitution of the Philippines which were
approved in the January 1984 plebiscite was a new apportionment ordinance for the election of
Regular Batasang Pambansa members, as embodied in Batas Pambansa Blg. 643. Under this apportionment ordinance, the municipalities of
Muntinlupa,
Pateros and
Taguig were grouped into a single parliamentary district which was allotted
one representative, Each elected its member to the restored
House of Representatives starting
that same year. ==At-Large (defunct)==