In the Philippines, the power to deport is an act of State, used as a measure of self-protection to expel undesirable aliens whose presence is deemed inimical to the public interest, safety, or health. The primary law governing these proceedings is Commonwealth Act No. 613, also known as the Philippine Immigration Act of 1940, as amended.

Legal Grounds for Deportation

Before initiating a complaint, one must establish that the foreigner has violated specific provisions of the law. Under Section 37 of the Philippine Immigration Act, a foreigner may be arrested and deported on several grounds, including but not limited to:

Illegal Entry: Entering the Philippines by force, stealth, or through misleading representations.
Overstaying: Remaining in the country beyond the period authorized by their visa or failing to renew their status.
Visa Violation: Engaging in activities not authorized by their visa category (e.g., working under a tourist visa).
Criminal Conviction: Being convicted of a crime involving moral turpitude.
Public Charge: Becoming a financial burden on the Philippine government.
Undesirability: Engaging in activities that threaten national security, public order, or public health.
Fraudulent Documentation: Using a fake passport, visa, or other entry documents.

The Procedure: Step-by-Step

Filing a deportation case is a quasi-judicial process handled by the Bureau of Immigration (BI). It does not necessarily require a prior criminal conviction, as deportation is administrative, not criminal, in nature.

1. Filing the Verified Complaint

The process begins with the submission of a Verified Complaint to the Bureau of Immigration. "Verified" means the complainant must sign the document under oath before a notary public.

Content: The complaint must state the full name of the foreigner, their known address, and a detailed narration of the facts constituting the grounds for deportation.
Evidence: Attach supporting documents such as affidavits of witnesses, photos, or official records showing the violation.

2. Intelligence Division Investigation

Once the complaint is filed, the BI usually refers it to the Intelligence Division. They will conduct a preliminary investigation or "surveillance" to verify the allegations. If the foreigner is found to be clearly "out of status" (e.g., an overstaying alien), they may be arrested via a Mission Order issued by the Commissioner.

3. Filing of the Charge Sheet

If the Intelligence Division finds merit in the complaint, the case is forwarded to the Legal Division. If a prima facie case exists, a formal Charge Sheet is filed against the foreigner. This document outlines the specific violations of the Immigration Act.

4. Summary Hearing and Proffering of Evidence

The case is then assigned to a Board of Special Inquiry (BSI) or a designated hearing officer.

The foreigner is given the chance to file a Counter-Affidavit or a Memorandum.
Hearings are conducted where both the complainant and the respondent (the foreigner) present their evidence.
Right to Counsel: The foreigner has the right to be represented by a lawyer during these proceedings.

5. Resolution by the Board of Commissioners (BOC)

After the hearings, the BSI submits a recommendation to the Board of Commissioners (BOC). The BOC, composed of the Commissioner and the Deputy Commissioners, has the final authority to decide whether the foreigner should be deported.

Consequences of a Deportation Order

If the BOC finds the foreigner deportable, a Summary Deportation Order is issued. The consequences are severe:

Immediate Expulsion: The foreigner is sent back to their country of origin or a country that will accept them.
Blacklisting: The foreigner’s name is placed on the BI Blacklist, which permanently bars them from re-entering the Philippines unless the levy of the blacklist is successfully petitioned later (usually after several years).
Physical Detention: Pending the actual departure (which requires a NBI Clearance and a plane ticket provided by the foreigner), the individual is usually detained at the BI Detention Center in Camp Bagong Diwa, Taguig.

Important Considerations

The Power is Discretionary: The State has wide latitude in determining who stays in its territory. However, the process must still observe administrative due process.
Deportation vs. Voluntary Departure: In some cases, a foreigner may opt for "Voluntary Departure" to avoid a formal deportation order, though this still typically involves blacklisting.
Private Disputes: The BI generally does not entertain deportation cases that are purely based on private or civil disputes (e.g., simple debt collection) unless those disputes involve a violation of immigration laws.

Under Philippine law, while the State welcomes visitors, it remains vigilant in ensuring that those who enjoy the privilege of stay adhere strictly to the conditions set by the government.