Legitimation is a remedy by means of which those who in fact were not born in wedlock and should, therefore, be considered illegitimate, are by fiction, considered legitimate, it being supposed that they were born when their parents were already validly married pursuant to Rule 66 of A.O. No. 1, Series of 19934.
2. AFFIDAVIT TO USE THE SURNAME
The Revised IRR which took effect on April 9, 2016 shall apply to all illegitimate children born on or after March 19, 2004, the effectivity of R.A. 9255
3. ADMISSION OF PATERNITY
If the father failed to acknowledge his child at the time of birth may execute an affidavit of admission of paternity.