Pasay was separated from Rizal on November 7, 1975 by virtue of Presidential Decree No. 824, and was represented in the Interim Batasang Pambansa along with other Metropolitan Manila municipalities and cities as part of Region IV from 1978 to 1984.
Pasay became a separate municipality on November 7, 1975, according to Presidential Decree No. 824, and was included in the Interim Batasang Pambansa alongside other Metropolitan Manila municipalities and cities as part of Region IV from 1978 to 1984.