Enforcement Rules of Lobbying Act Article 13

When the lobbied party leaves or is suspended, specified in Paragraph 3 of Article 2 of the Act, the government agency shall notify the lobbyist. The lobbyist may apply for alternation registration according to Paragraph 2 of Article 13 of the Act in order to process subsequent lobbying.
中文原文 遊說法施行細則第13條
本法第二條第三項所定被遊說者離職或停職時,其所屬機關應通知遊說者;遊說者應依本法第十三條第二項規定,申請變更登記,始得進行遊說。

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