Enforcement Rules of the Household Registration Act Article 17

To submit each one of the various proving documents listed except in the case Paragraph 1 and 6 of preceding Article, to correct the birth date of the household registration should be limited to the certificate issuing date or document established date prior to the issued date of the first household registration proving document in Taiwan. However, in case the certificate issuing date is later than the issuing date of household registration documents first registered in Taiwan, it should attach the copy of the original documents issued by related office which established prior to the issuing date of those documents first registered in Taiwan.