Rural Community Land Readjustment Act Article 27

The metropolitan or the county / city competent authority should reassign numbers to redistributed land, make a listing to the register organization for cadastral survey and modification registration directly, and notify the landowners to exchange the certification of the titles for free charge within thirty days. The certification of the titles not exchanged in the limit period is announced invalid.
中文原文 農村社區土地重劃條例第27條
重劃區土地分配結果確定後,直轄市或縣(市)主管機關應依據分配結果重新編號,列冊送由該管登記機關逕為辦理地籍測量及變更登記,並通知土地所有權人於三十日內換領土地權利書狀,免收登記費及書狀費;未於規定期限內換領者,宣告其原土地權利書狀無效。

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