Household Registration Act Article 17
Those who have moved in from other jurisdictional domiciliary areas (township, city, district) for 3 months or more shall be subject to Moving-in Registration.A person having household registration initially, who moved out to a foreign country, enters ROC territory with an ROC passport or entrance documents, and stays for over three months shall apply for the Moving-in Registration. When the person having household registration is originally approved to have nationality restored, the above item shall be applied likewise.
中文原文 戶籍法第17條
由他鄉（鎮、市、區）遷入三個月以上，應為遷入登記。
原有戶籍國民遷出國外，持我國護照或入國證明文件入境三個月以上者，應為遷入登記。
原有戶籍國民，經許可回復中華民國國籍者，亦同。
原有戶籍國民遷出國外，持我國護照或入國證明文件入境三個月以上者，應為遷入登記。
原有戶籍國民，經許可回復中華民國國籍者，亦同。