Industrial Group Act Article 52
For multi-occupation factory, if one of its industries cannot join in a local industrial trade association, it should join in a local industrial association to become a member.
中文原文 工業團體法第52條
兼營兩業以上工業之工廠，如其中一業無法加入工業同業公會為會員者，應以該業加入工廠所在地之直轄市或縣（市）工業會為會員。