Land Surveying and Mapping Act Article 57

The survey industry owners who start operating the business three years prior to the date of the promulgation of this Act shall following the regulations set forth in this Act to obtain the survey industry registration before continuing with the business operation.
中文原文 國土測繪法第57條
本法公布施行前已經營測繪業務者,應自本法施行之日起三年內,依本法規定取得測繪業登記證後,始得繼續營業。

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