Division of Region IV and transfer of Aurora

Executive Order No. 103 is grounded on Article X, Section 4 of the Constitution, which provides for the President’s general supervision over local government units.
Executive Order No. 103 recognizes that administrative regions are meant to promote efficiency in the Government, accelerate social and economic development, and improve public services.
Executive Order No. 103 directs the division of Region IV and the transfer of Aurora to accelerate social and economic development of the affected provinces and cities and to improve delivery of public services.

Section 1 provides that Region IV is divided into Region IV-A and Region IV-B.
Section 2 establishes Region IV-A to be known as CALABARZON.
Section 3 establishes Region IV-B to be known as MIMAROPA.

Section 2 provides that CALABARZON is composed of the following provinces: Batangas, Cavite, Laguna, Quezon, and Rizal.
Section 2 provides that CALABARZON includes the following cities: Antipolo City, Batangas City, Calamba City, Cavite City, Lipa City, Lucena City, San Pablo City, Tagaytay City, Tanauan City, and Trece Martires City.

Section 3 provides that MIMAROPA is composed of the following provinces: Marinduque, Mindoro Occidental, Mindoro Oriental, Palawan, and Romblon.
Section 3 provides that MIMAROPA includes the following cities: Calapan City and Puerto Princesa City.

Section 4 transfers the Province of Aurora to Region III.
Section 4 provides that the Province of Aurora shall form part of Region III after the transfer.

Section 5 directs the Department of the Interior and Local Government to supervise the division of Region IV into Region IV-A and Region IV-B.
Section 5 directs the Department of the Interior and Local Government to supervise the transfer of the Province of Aurora to Region III.

Section 6 provides that all orders, rules, regulations, and issuances, or parts thereof, which are inconsistent with Executive Order No. 103 are repealed or modified accordingly.

Section 7 provides that Executive Order No. 103 takes effect immediately upon approval.