Wrong Spelling
The wrongly spelled middle name in the birth certificate should be
corrected by filing a petition for correction of clerical error under the
provisions of Republic Act 9048.
Who Shall File
       owner of the record
       owners spouse
       children
       parents
       brothers
       sisters
       grandparents
       guardian
       other person duly authorized by law or by the owner of the document
        sought to be corrected;
       if owner of the record is a minor or physically or mentally incapacitated,
        petition may be filed by his spouse, or any of his children, parents,
        brothers; sisters; grandparents, guardians, or persons duly authorized by
        law.
Where to File
       If born in the Philippines
    o    The petition shall be filed with the local civil registry office of the city
         or municipality where the birth is registered.
    o    When the petitioner had already migrated to another place within the
         Philippines and it would not be practical for such party to appear in
         person with the civil registrar of the place of birth, the petition may
         be filed with the civil registry office where he/she is currently residing
       If born abroad
    o    If born abroad, with the Philippine Consulate where the birth was
         reported.
Supporting Documents
1. Certified machine copy of the birth record containing the entry to be
   corrected;
2. Not less than two (2) private or public documents upon which the
   correction shall be based like baptismal certificate, voters affidavit,
   employment record, GSIS/SSS record, medical record, business record,
   drivers license, insurance, land titles, certificate of land transfer, bank
   passbook, NBI/police clearance, civil registry records of ascendants;
3. Notice/Certificate of Posting;
4. Payment of one thousand Pesos (P1,000.00) as filing fee.For petitions
   filed abroad a fee of $50.00 or equivalent value in local currency shall
   be collected;
5. Other documents which may be required by the concerned civil
   registrar.