Republic of the Philippines 
HOUSE OF REPRESENTATIVES 
Quezon City 
NINETEENTH CONGRESS 
First Regular Session 
House Bill No. ___________ 
Introduced by: REP. JUAN FIDEL FELIPE F. NOGRALES 
      District 4, MONTALBAN, RIZAL 
EXPLANATORY NOTE 
Section 4, Article X of the 1987 Constitution provides that the President of the Philippines shall 
exercise general supervision over local government units. As such, the administrative regions 
were established to further accelerate the social and economic development of the provinces 
and cities. Thus, former President Gloria Macapagal-Arroyo issued Executive Order No. 103, 
which has divided Region IV into Region IV-A and Region IV-B to further promote efficiency 
in the Government, accelerate social and economic development and improve public services. 
Region IV-A, the CALABARZON Region, comprises the provinces of Cavite, Laguna, 
Batangas, Rizal and Quezon. Region IV-B is now renamed to MIMAROPA, by virtue of 
Republic Act No. 10879 or otherwise known as the “MIMAROPA Act.” 
CALABARZON Region is envisaged to promote efficiency, economy and the greater impact 
in the delivery of government services. Moreover, it will strengthen and pave the way for the 
region to continue its economic growth thrust. CALABARZON is one of the leaders in 
economic growth amongst the administrative regions in the country. As testament to that, as of 
2022, CALABARZON has been published by the Philippine Statistics Authority to have the 
second highest in the Gross Domestic Product Growth at fourteen-point eight percent (14.8%).  
This bill seeks to establish a Southern Tagalog Region to be known as CALABARZON 
Region.  
Thus, the early passage of this bill is earnestly requested. 
Rep. JUAN FIDEL FELIPE F. NOGRALES 
  District 4, Montalban, Rizal 
May 10, 2023
1:20 pm
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Republic of the Philippines 
HOUSE OF REPRESENTATIVES 
Quezon City 
NINETEENTH CONGRESS 
First Regular Session 
House Bill No. ___________ 
Introduced by: REP. JUAN FIDEL FELIPE F. NOGRALES 
      District 4, MONTALBAN, RIZAL 
AN ACT ESTABLISHING THE SOUTHERN TAGALOG REGION TO BE KNOWN 
AS THE CALABARZON REGION 
Be it enacted by the Senate and House of Representatives of the Philippines in Congress 
assembled: 
SECTION 1. This Act shall be known as the “CALABARZON Act.” 
SECTION 2. It is hereby declared the policy of the State to promote efficiency in the 
government to enable it to pursue programs consistent with national goals for accelerated social 
and economic development. Further, it will also enhance inter-governmental nations for 
efficient and effective delivery of services.  
Pursuant to this policy, the State shall promote administrative decentralization to strengthen 
the autonomy of the local government units and accelerate the economic and social growth and 
development of the region.  
SECTION 3. The CALABARZON Region  is hereby established to and shall be composed of 
the following provinces and cities: 
A. Provinces:
1. Batangas;
2. Cavite;
3. Laguna;
4. Quezon; and
5. Rizal.
B. Independent City:
1. Lucena City
C. Component Cities:
1. Antipolo City;
2. Bacoor City;
3. Batangas City;
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4. Biñan City; 
5. Cabuyao City; 
6. Calaca City; 
7. Calamba City; 
8. Cavite City; 
9. Dasmariñas City; 
10. General Trias City; 
11. Imus City; 
12. Lipa City; 
13. San Pablo City; 
14. San Pedro City;  
15. Santa Rosa City; 
16. Santo Tomas City; 
17. Tagaytay City; 
18. Tanauan City;  
19. Tayabas City; and  
20. Trece Martires City.  
 
SECTION 4. Privileges of the CALABARZON Region – The same privileges under the rules 
and regulations covering the regions shall remain in force.  
 
SECTION 5. The national government shall establish a Regional Center in the 
CALABARZON Region which shall be the location of the regional offices of the various 
Departments and National Government Agencies in the Executive Branch.  The various 
Departments and National Government Agencies are mandated to establish their respective 
regional offices in the CALABARZON Region. 
 
SECTION 6. Establishment of the CALABARZON Technical Working Group –
Representatives from the Office of the President (OP), the Department of Budget and 
Management (DBM), the National Economic Development Authority (NEDA), and the 
Department of Interior and Local Government (DILG) and the representatives of the Provinces 
of CALABARZON, is hereby constituted to form a CALABARZON Technical Working 
Group. 
 
The CALABARZON – TWG will formulate a roadmap to put in place the institutional 
arrangements for the CALABARZON Region; recommend to the OP the preferred Regional 
Center, arrange the requirements for organizational development, staffing, and budgeting of 
regional line and regulatory agencies, as well as the imperatives for development planning and 
investment programming. The CALABARZON-TWG will be sustained CALABARZON 
Roadmap is approved by the OP. 
 
SECTION 6. The amount necessary to carry out  the provisions of this Act shall be charged 
against the current year’s appropriations of the various agencies and local government units 
involved.  Thereafter, the amount needed for the implementation of this Act shall be included 
in the annual General Appropriations Act. 
 
SECTION 7. Within sixty (60) days after the effectivity of this Act, the National Economic 
and Development Authority, in coordination with the Department of the Interior and Local 
Government, shall promulgate the necessary rules and regulations for the effective 
implementation of this Act.  


 
SECTION 8. If any provision or part of this Act is declared unconstitutional or invalid, the 
remaining parts or provisions not affected shall remain in full force and effect.  
 
SECTION 9. All laws, decrees, executive orders, rules and regulations or parts thereof 
inconsistent with the provisions of this Act are hereby repealed or modified accordingly.  
 
SECTION 10. This Act shall take effect after fifteen (15) days from its publication in the 
Official Gazette or in a national newspaper of general circulation.  
 
 
Approved,