Effective February 11, 1987, the province, with Olongapo regrouping with it, was divided into two congressional districts under the new Constitution, and elected members to the restored House of Representatives starting that same year.
The province and Olongapo were combined under a new constitution on February 11, 1987, resulting in the division of the province into two congressional districts. This led to the election of representatives to the House of Representatives starting in 1987.