Land Surveying and Mapping Act Article 40
The registration certificate is valid for 4 years. Renewals shall be completed 60 days prior to the expiration. The survey industry that do not renew the registration certificate will be deemed as the survey industry of which the businesses are terminated.
中文原文 國土測繪法第40條
測繪業登記證有效期限為四年，有效期限屆滿前六十日內，應向中央主管機關申請換證；屆期未申請換證者，視同自行停業。