Enforcement Rules of the Land Expropriation Act Article 3

If any zone expropriation covers the multiple administrative jurisdictions of municipalities or counties (cities), the zone expropriation operation shall be carried out by each individual administrative jurisdiction. When necessary, joint operation may be carried out followings consultation and discussion.
中文原文 土地徵收條例施行細則第3條
區段徵收範圍跨越直轄市或縣(市)行政轄區者,其區段徵收業務由各行政轄區分別辦理。
必要時,得經協商後合併辦理。

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