One copy of the Household Registration Certificate issued within 3 months is required if the individual, whom the applicant intends to join, is an R.O.C. (Taiwan) citizen with household registration. 2. Original and one photocopy of Certificate of Residence in the R.O.C. (Taiwan), Alien Permanent Residence Certificate, Alien Residence Certificate, or other kinds of residence permits issued by the National Immigration Agency are required if the individual, whom the applicant intends to join with, is an R.O.C. (Taiwan) citizen without household registration, a foreigner having obtained APRC or ARC, a Hong Kong or Macau resident, or a Mainland Chinese citizen. The documents must be valid for more than 6 months.