Sand and Gravel Excavation Act Article 51
The Central Competent Authority shall conduct periodic spot checks of matters handled by the Competent Authority of the Special Municipality or County (City) under this Act.
中文原文 土石採取法第51條
本法所定直轄市、縣（市）主管機關辦理事項，中央主管機關應定期抽查之。