Enforcement Rules for the Act Governing Relations between Peoples of the Taiwan Area and the Mainland Area Article 57
The place of the household registration as referred to in Article 42 of the Act shall mean the place of the household registration of the party concerned; the area of the household registration as referred to in Articles 55 through 57 and Article 59 of the Act shall mean the Taiwan Area or the Mainland Area, depending on the place of the household registration.