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.
中文原文 國籍法施行細則第9條
我國國民之配偶,依本法第三條至第五條規定申請歸化,其外僑居留證之居留事由為依親者,得免附前條第一項第二款所定證明文件。
我國國民之配偶,依本法第三條、第五條規定申請歸化,與我國國民婚姻關係持續三年以上者,得免附前條第一項第三款所定證明文件。
已取得外僑永久居留證者,其申請歸化,得免附前條第一項第三款所定證明文件。
依本法第三條至第五條規定申請歸化,前條第一項第三款之所得、動產或不動產資料,得由戶政事務所代查。
依本法第三條至第五條規定申請歸化者,前條第一項第四款證明文件已登錄於戶政資訊系統國籍行政作業者,得免附。

English translation for reference only; the Chinese text prevails. Not legal advice.