Enforcement rules concerning the implementation of industrial group act. Article 19
When the number of standing supervisors of industrial board of trade is more than 3, a convener of board of supervisors should be elected from among the standing supervisors.
中文原文 工業團體法施行細則第19條
工業同業公會常務監事在三人以上時，互推一人為監事會召集人。