AS SENATOR (1987-1998)      
As Majority Leader for five years, major banking, business and economic legislations were passed during his tenure, 55 of these laws being authored and sponsored by then Senator, now President Gloria Macapagal-Arroyo.

Other laws authored: RA 6683 - Early Retirement Act; RA 6948/ 7696 - Benefits for Military Veterans and their Dependents; RA 7833 -Tax Exemption on Christmas Bonus; RA 7642 - Increasing Penalties for Tax Evasion; RA 7661- Asset Privatization Trust and the Committee on Privatization Act; RA 8281 - Official Development Assistance Act; RA 7880 - Fair and Equitable Allocation of the DECS School and Classroom Budget; RA 6716 - Construction of Concrete Barangay Roads, Multipurpose Pavements in all Barangays; RA 7368 - Countrywide Industrialization Act; RA 7905 - Strengthening the Implementation of CARP Act;  RA 7277 - Magna Carta for Disabled Persons; RA 7111- Establishing an Investment Fund for Overseas Contract Workers; RA 6686 -  Granting of Christmas Bonus and P1,000 Cash Gift to National and Local Government Officials; RA 6846 - Social Housing Investment Fund Act;  Jt. Res. 1 - Increasing the Salaries of Government Employees Act;  RA 7891 - Restoring the Tax and Duty Incentives to the Veterans Federation of the Philippines;  RA 8221 - Capas National Shrine Act;  Jt. Res. 1 -  Legislative Executive Bases Council Act;  RA 6952  - Oil Price Standby Fund Act;

A recipient of the Gintong Ama award, Romulo was named Most Outstanding Senator by the Philippine Free Press, the Federation of Provincial Clubs, Congressweek, the Senate Radio and Television Press Group, and the Philippine Infrastructure Journal.  He was, among others, affiliated with the Philippine Institute of Certified Public Accountants (PICPA), Rotary, Jaycees, the Philippine Band of Mercy, the Foundation for Gifted Children, and the Philippine Tuberculosis Society.  On July 19, 2005 Secretary Romulo received the Order of Sikatuna  award with the rank of DATU.