In the Philippines, legitimation is a legal process that grants a child born out of wedlock the same rights as a child born within a valid marriage. This occurs when the parents, who were not disqualified to marry each other at the time of the child's conception, subsequently enter into a valid marriage.

One of the most significant effects of legitimation is the child's right to use the father's surname. For adult drivers, reflecting this change on a Land Transportation Office (LTO) Driver’s License is a necessary step to ensure all government-issued identifications are consistent.

1. The Legal Foundation

Under the Family Code of the Philippines and Republic Act No. 9858, legitimation results in the amendment of the child's birth records. Once the process is completed at the Local Civil Registrar (LCR) and the Philippine Statistics Authority (PSA), the child (or adult) is legally entitled to bear the surname of the father.

To update an LTO license, the transaction is classified as a "Revision of Records" (specifically, Change of Name).

2. Prerequisite: The Annotated Birth Certificate

Before heading to the LTO, you must ensure your civil registry documents are in order. The LTO will not process a name change based solely on a Marriage Contract of the parents. You must present:

PSA Birth Certificate with Annotation: This is the most critical document. It is your original birth certificate with a marginal note stating that the child has been legitimated by the subsequent marriage of the parents, specifying the new surname.
Affidavit of Legitimation: While often integrated into the PSA process, having a certified copy of the Affidavit of Legitimation executed by the parents can be helpful if issues arise during verification.

3. Documentary Requirements for LTO

When visiting an LTO Licensing Center or District Office, prepare the following "Revision of Records" requirements:

Application for Permits and Licenses (APL) Form: Duly accomplished. You can download this from the LTO website or get a copy at the office.
Original and Photocopy of PSA Birth Certificate: Must clearly show the annotation of legitimation and the updated surname.
Current Driver’s License: You must surrender your existing card with the old surname.
Marriage Contract of Parents (PSA Copy): This serves as supporting evidence for the legitimation event.
Medical Certificate: An electronically transmitted medical certificate from an LTO-accredited clinic.
- Note: While some offices only require this for renewals, many require a fresh medical check for any "Revision of Records" that involves printing a new card with a 5 or 10-year validity.

4. The Step-by-Step Process

Step 1: Document Submission and Evaluation

Proceed to the Customer Service Counter or the Evaluator's Booth. Submit your annotated birth certificate and current license. The officer will verify the authenticity of the documents and check if your record is clear of any existing alarms or law enforcement violations.

Step 2: Photo and Signature Capture

Even if you recently renewed your license, a change in surname requires a new "Biometric Capture." You will be asked to take a new photo and provide a fresh digital signature to be printed on the updated card.

Step 3: Payment of Fees

Proceed to the Cashier. The costs typically involve:

Replacement Fee: For the new plastic card.
Revision of Records Fee: The specific administrative charge for changing information in the database.
Renewal Fee: (If your license is also due for renewal at the same time).

Step 4: Printing and Issuance

Once paid, your application is sent for approval and printing. You will receive your new Driver’s License reflecting your legitimated surname. Ensure you check the spelling before leaving the window.

5. Important Considerations

LTMS Portal Update: If you have an account on the Land Transportation Management System (LTMS) portal, you may need to ensure your profile is updated. In some cases, the LTO officer will sync your physical application with your digital profile.
Consistency is Mandatory: Under Philippine law, you should update your surname across all primary IDs (Passport, UMID, PRC, etc.) to avoid "identity discrepancy" issues during bank transactions or travel. It is highly recommended to update your PSA Birth Certificate first, as it is the "mother" document for all other changes.
Timing: It is most cost-effective to perform this change during your regular license renewal period, as you would only pay the Revision of Records fee on top of the standard renewal fee, rather than paying for a separate replacement card.

Summary of Fees (Estimated)

Item	Estimated Cost
Revision of Records Fee	₱100.00
Replacement Fee	₱225.00
Certification Fee	₱100.00
Total Estimated	₱425.00 + Medical Fees

(Note: Prices are subject to change based on current LTO administrative orders.)