Enforcement Rules of the Nationality Act Article 9
For the spouse of an R.O.C. national that applies for naturalization pursuant to Article 3 to Article 5 of this Act, if the reason for residence as recorded on the Alien Resident Certificate is to reside with relatives, the applicant need not submit a criminal record as stated in Subparagraph 2 of Paragraph 1 of the preceding Article.For the spouse of an R.O.C. national that applies for naturalization pursuant to Article 3 and Article 5 of this Act and his or her marital relationship with the R.O.C. national has lasted for more than three years, he or she is exempt from having to submit a certificate as required in Subparagraph 3 of Paragraph 1 of the preceding Article.For those who already acquired an Alien Permanent Resident Certificate, their naturalization applications need not include a certificate stated in Subparagraph 3 of Paragraph 1 of the preceding Article.For those who apply for naturalization pursuant to Article 3 to Article 5 of this Act, the income, personal property or real estate documents referred to in Subparagraph 3 of Paragraph 1 of the preceding Article shall be verified by household registration offices.For those who apply for naturalization pursuant to Article 3 to Article 5 of this Act who had certificates required by Subparagraph 4 of the proceeding Article submitted and registered into the Nationality Administration Database of the Registration Information System, they are not required to submit again.