Presidential Decree No. 421

Also known as: P.D. No. 421, s. 1974 · The Greater Manila police integration decree · The decree creating the Metropolitan Police Force · The METROCOM police integration decree

Government

Definition

Presidential Decree No. 421 is the martial-law-era issuance signed by President Ferdinand E. Marcos on March 21, 1974, officially titled “Integration of the City/Municipal Police Forces, Jails and Fire Departments Within the Greater Manila Area.” The decree merged the police forces, jails, and fire departments of the Cities of Manila, Quezon, Caloocan and Pasay, the twelve Rizal municipalities of Las Piñas, Muntinlupa, Parañaque, Makati, Mandaluyong, San Juan, Marikina, Pasig, Pateros, Taguig, Navotas and Malabon, and the Bulacan municipality of Valenzuela into a single body “known as ‘METROPOLITAN POLICE FORCE’,” headed by the Commanding General of the Philippine Constabulary Metropolitan Command (PC METROCOM). (LawPhil — PD 421)

What the decree did was transfer operational command of the capital’s local police, fire, and jail services to a constabulary general, while leaving appointments, pay, discipline, and logistics with existing local officials during a transitory period in which “operational direction and control” would prevail whenever the two conflicted. Within one year, and no later than two, the Philippine Constabulary (PC) was to take over the force’s “personnel, records, funds, property, equipment, facilities and other resources”; meanwhile each covered city and municipality had to allocate “not less than eighteen (18%) per centum of its annual budget” for maintaining the force, with national subsidies for minimum salaries and equipment modernization. (LawPhil — PD 421) Contrary to a common conflation, PD 421 did not itself create the Integrated National Police (INP) — that nationwide force was constituted by Presidential Decree No. 765 of August 8, 1975, which named the PC as its nucleus and expressly absorbed the integrated forces created by PD 421 and its provincial successors. (LawPhil — PD 765)

Identities

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Also Known As

P.D. No. 421, s. 1974
The Greater Manila police integration decree
The decree creating the Metropolitan Police Force
The METROCOM police integration decree

Examples and Analogies

The pilot program: PD 421 worked like a pilot rollout — Greater Manila was the test bed for police integration, and the same instrument was then applied to the rest of the country by Presidential Decree No. 482 (June 13, 1974, “certain provinces”), No. 531 (August 8, 1974, “other provinces”), No. 585 (November 18, 1974, “other police and fire departments and jails”), and No. 641 (January 21, 1975, provinces and cities “not covered by previous police integration decrees”), before PD 765 gathered all of them into the INP. (LawPhil — PD 1974 index, LawPhil — PD 1975 index, LawPhil — PD 765)
Verified statutory data:
New entity: the Metropolitan Police Force, headed by the Commanding General, PC METROCOM, responsible for public safety, peace, law and order, crime prevention, and the arrest and investigation of criminal offenders (LawPhil — PD 421)
Funding floor: not less than 18 percent of each covered local government’s annual budget, plus national subsidies; no salary reductions except for cause provided by law (LawPhil — PD 421)
Successor instruments: PD 765 (August 8, 1975) constituting the INP; Republic Act No. 6975 (December 13, 1990) dissolving the PC-INP into the Philippine National Police (LawPhil — PD 765, LawPhil — RA 6975)

Usage Scenarios

1. Tracing the Lineage of the National Police

Researchers reconstructing how the Philippines acquired a national police force use PD 421 as the first statutory link in a documented chain — Greater Manila integration (1974), provincial integration decrees (1974–1975), the INP under PD 765 (1975), and the PNP under RA 6975 (1990) — each instrument read from its full text rather than from summaries that blur them together. (LawPhil — PD 421, LawPhil — PD 765, LawPhil — RA 6975)

2. Studying Martial-Law Centralization

Scholars of the Marcos period cite the decree as a case study in centralization: an arrangement in which mayors controlled their own police was converted, by presidential decree during martial law, into a command answerable to a Constabulary general and the national government — a shift later embedded nationwide through the PC-INP. (LawPhil — PD 421, Wikipedia — Integrated National Police)

3. Researching Metro Manila’s Institutional History

Students of metropolitan governance examine how the decree prefigured the National Capital Region: the coverage area matched METROCOM’s jurisdiction, and the PC command PD 421 installed over the Metropolitan Police Force — with the capital’s four police districts under it — became the police architecture of the metropolis until 1991. (Wikipedia — Philippine Constabulary Metropolitan Command, Wikipedia — Integrated National Police)

Strategies

Read the decree chain together: analyze PD 421 alongside PDs 482, 531, 585, 641, and 765 as one program, since PD 765 Section 1 lists the earlier decrees’ integrated forces as components of the INP. (LawPhil — PD 765, LawPhil — PD 1974 index)
Separate command from administration: distinguish operational direction and control (immediately METROCOM’s) from administrative control (appointments, pay, discipline, logistics — local at first, Constabulary within two years), and track the 18-percent budget floor to see how costs and incentives shifted between local and national government. (LawPhil — PD 421)
Anchor dates to primary texts: fix PD 421’s date of March 21, 1974 and PD 765’s of August 8, 1975 from their LawPhil texts, because secondary sources misdate and conflate the two instruments. (LawPhil — PD 421, LawPhil — PD 765)
Trace the dissolution trail: for any question about the decree’s present-day force, follow supersession through RA 6975, whose Section 90 ended the PC-INP and created the PNP. (LawPhil — RA 6975)

Security and Safety Measures

Unified command for the capital: the decree’s safety mechanism was consolidation — one force responsible for public safety, peace, law and order across the Greater Manila Area, with powers to prevent crimes, take public-safety measures, and arrest and investigate criminal offenders. (LawPhil — PD 421)
Staged transfer of resources: the one-to-two-year window for transferring personnel, records, funds, property, equipment, and facilities to the Constabulary guarded against an abrupt break in policing during integration. (LawPhil — PD 421)
Pay protection: Section 8 barred salary reductions arising from integration, except for cause provided by law. (LawPhil — PD 421)
The human-rights record of the apparatus: the command the decree served is documented negatively as well — Wikipedia’s account of the Philippine Constabulary notes that the Metrocom Intelligence and Security Group was a unit “frequently cited in reported human rights incidents during the Marcos era.” (Wikipedia — Philippine Constabulary)
Statutory sunset: the structure PD 421 began was dismantled by statute — RA 6975, approved December 13, 1990, provided that the “Philippine Constabulary-Integrated National Police shall cease to exist,” ended the PC’s status as a major AFP service, and placed the new Philippine National Police under a reorganized Department of the Interior and Local Government. (LawPhil — RA 6975)

Historical Context

The decree descended from a command created before martial law: the PC Metropolitan Command was organized on July 14, 1967 by Executive Order No. 76 of President Marcos to reinforce local police against rising crime in the Greater Manila Area, and was expanded into a metropolitan area command by Executive Order No. 120 of February 16, 1968. PD 421, signed on March 21, 1974 in the second year of martial law, converted that reinforcement role into legal control of the capital’s police, jail, and fire services. (Wikipedia — Philippine Constabulary Metropolitan Command, LawPhil — PD 421)

The Greater Manila decree was then replicated across the country through the provincial integration decrees of 1974–1975 until PD 765 (August 8, 1975) “established and constituted the Integrated National Police” under the Department of National Defense, composed of “the Philippine Constabulary as the nucleus” and the integrated forces those decrees had created. The Chief of Constabulary doubled as INP Director-General; Constabulary headquarters at the national, zone/regional, and provincial levels served as the nuclei of corresponding INP headquarters, local administrative supervision passed to the Chief of Constabulary, and INP members became national government employees. (LawPhil — PD 1974 index, LawPhil — PD 1975 index, LawPhil — PD 765, Wikipedia — Integrated National Police)

The structure PD 421 began ended by statute. Republic Act No. 6975, the Department of the Interior and Local Government Act of 1990 approved on December 13, 1990, established the Philippine National Police and provided that the PC-INP “shall cease to exist”; the PC merged with the INP to form the PNP on January 29, 1991, a civilianization recommended by the Davide Commission after the 1989 coup attempts. (LawPhil — RA 6975, Wikipedia — Philippine Constabulary)

Challenges and Controversies

Conflation with PD 765 and Misdating in Secondary Sources

The decree’s documentary record is blurred by frequent confusion between the two instruments: many accounts attribute the creation of the Integrated National Police to PD 421, when the LawPhil texts show PD 421 creating the Greater Manila Metropolitan Police Force and PD 765 (August 8, 1975) constituting the INP. Dates also drift — Wikipedia’s Metropolitan Command article dates PD 421 to “July 8, 1974,” while the decree’s full text records approval on March 21, 1974 — so researchers treat LawPhil’s texts, not summaries, as controlling. (LawPhil — PD 421, LawPhil — PD 765, Wikipedia — Philippine Constabulary Metropolitan Command)

Centralization Against Local Control

PD 421 reversed the pre-martial-law arrangement in which cities and municipalities ran their own police: mayors lost operational command immediately and full administrative control within two years, while spending at least 18 percent of their annual budgets on a force they no longer directed — the fiscal-without-command imbalance that critics of the PC-INP system later cited against militarized policing. (LawPhil — PD 421, Wikipedia — Integrated National Police)

Martial-Law Policing and Human Rights

Placing the capital’s police under a Constabulary command during the dictatorship embedded the armed forces in civilian policing; the METROCOM intelligence units associated with the apparatus appear repeatedly in the documented human-rights record of the Marcos era, and the eventual civilianization of the police under RA 6975 was in part a response to that record. (Wikipedia — Philippine Constabulary, LawPhil — RA 6975)

The Two-Year Deadline and Its Enforcement

The decree’s transitory design — full Constabulary absorption “after one year but not later than two years” from effectivity — left the merged force’s governance in a hybrid state during the interval, with conflicts resolved in favor of “operational direction and control”; how smoothly the deadline was met is not consistently documented in the public record, which is dominated by the subsequent PD 765 reorganization. (LawPhil — PD 421)