In the Philippine legal system, determining whether an individual has a pending criminal case or an active warrant of arrest is a critical process for employment background checks, travel clearances, or personal legal due diligence. Because there is no single, publicly accessible "master database" that can be searched online by name, the process involves visiting specific government agencies and courts.

Below is a comprehensive guide on the official channels and procedures for verifying these records.

1. National Bureau of Investigation (NBI) Clearance

The NBI Clearance is the most comprehensive tool for checking criminal records nationwide. The NBI maintains a "Masterlist" that pools data from courts across the Philippines.

The Process: You must apply for an NBI Clearance (usually via the NBI Clearance Online portal) and appear in person for biometrics.
The "HIT" Status: If your name matches a record in their database, you will be given a "Hit." This does not automatically mean you are a criminal; it means there is a record of a person with the same or similar name who has a pending case or an old case that hasn't been cleared.
Verification: If you get a "Hit," the NBI will conduct a "Quality Control" check. You may be asked to return after several days while they verify if the record actually belongs to you and what the current status of that case is.

2. Philippine National Police (PNP) Clearances

The PNP offers two types of clearances that verify criminal records based on their internal databases (the Crime Incident Reporting and Analysis System).

Local Police Clearance: Issued by a specific municipal or city police station. This generally checks records within that specific locality.
National Police Clearance (NPCS): A more modern, centralized system that checks the PNP database nationwide. Like the NBI, this requires online registration and an in-person appointment for fingerprints and photos.

3. Court Verifications (RTC and MeTC/MTC)

If you suspect a case exists in a specific city, the most definitive way to check is at the Office of the Clerk of Court (OCC) of the relevant judicial region.

Regional Trial Court (RTC): Handles serious offenses (e.g., Estafa, Murder, Drug cases).
Metropolitan/Municipal Trial Court (MeTC/MTC): Handles less severe offenses (e.g., Bouncing checks/BP 22, Slander, Alarms and Scandals).
Procedure: You can request a Certificate of No Pending Case. You will need to provide the individual's full name and pay a nominal administrative fee. The clerk will search their docket books to see if any criminal information has been filed against that name.

4. The Sandiganbayan and Ombudsman

For government officials or employees, records should also be checked at these specialized institutions:

Sandiganbayan: Checks for cases involving graft, corruption, and other offenses committed by public officers.
Ombudsman: Verifies if there are pending administrative or criminal investigations against a public servant.

Checking for an Active Warrant of Arrest

A warrant of arrest is issued by a judge once "probable cause" is determined after a Prosecutor files a case in court. Unlike general criminal records, active warrants are sensitive law enforcement information.

Police Databases: The PNP maintains a "Wanted List" and the e-Warrant system. These are generally not open for public browsing to prevent fugitives from fleeing.
In-Person Inquiry: An individual can go to a police station to inquire, but if an active warrant exists, the police are legally obligated to serve it and take the person into custody immediately.
Legal Counsel: The safest way to check for a warrant without risking immediate detention is to have a lawyer check the court dockets. A lawyer can inquire with the Clerk of Court whether a "Return of Warrant" has been filed or if a warrant is outstanding.

Key Legal Documents to Request

If a record is found, the following documents are necessary to understand or resolve the situation:

Certification of Pending Case: States the case number, the nature of the offense, and the current status.
Dismissal Order: If the case was already resolved, you need a certified true copy of the Order of Dismissal to "clear" your NBI or Police record.
Certificate of Finality: Proves that the court's decision (if acquitted or dismissed) is no longer subject to appeal.

Important Considerations

Privacy and Authorization: Under the Data Privacy Act of 2012, government agencies generally require the consent of the person involved or a court order before releasing sensitive criminal records to third parties (unless for official law enforcement use).
The "Alias" Problem: Because many Filipinos share the same names, "Hits" are common. Always ensure that the Middle Name and Date of Birth are used to distinguish between individuals.
Online Scams: There is currently no official mobile app or unofficial website that can legally "search" for warrants for a fee. Only rely on official government portals (NBI/PNP) or direct court inquiries.