Enforcement Rules of the Household Registration Act Article 19

I. When a person to be notified according to Article 46 of this Act is found to be deceased or missing, the household registration office shall notify the spouse or first-degree lineal blood relative.II.The notification mentioned in Paragraph 3 of Article 48 of this Act shall have a time limit of no less than seven days; such notification shall be served to the applicant.III.Notification issued pursuant to Article 48-2 of this Act by the household registration office shall indicate that if the application is not filed within the specified time limit, the household registration office shall make a registration directly according to that Article. VI.After the household registration office makes a registration directly pursuant to Article 48-1 and Article 48-2 of this Act, it shall notify the applicant who should have applied for the registration.VII.After the household registration office make a registration pursuant to Paragraph 1 of Article 50 of this Act, it shall transfer the domicile of the whole household to the household registration office temporarily with address indicated, and notify the police authorities.
中文原文 戶籍法施行細則第19條
戶政事務所依本法第四十六條通知本人時,本人死亡或為失蹤人口,應另通知本人之配偶及一親等直系血親。
本法第四十八條第三項之催告,其所定期限不得少於七日,催告書應送達應為申請之人。
戶政事務所辦理本法第四十八條之二所定登記之催告,應載明經催告屆期仍不申請者,由戶政事務所依本法第四十八條之二規定逕行為之。
戶政事務所依本法第四十八條之一及第四十八條之二規定逕為登記後,應通知應為申請之人。
戶政事務所依本法第五十條第一項規定逕為登記者,應將其全戶戶籍暫遷至該戶政事務所並註明地址,同時通報警察機關。

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