The Agricultural Wholesale Market Management Regulation Article 16

The order of the product transactions, except the paragraph 2 of the Article 8 of the Said Act has priority, shall observe the following rules:1. by the order of arriving the market.2. by means of drawing.The transaction order of 2 Items herein before shall be determined by market based on its operating flows and management rules.
中文原文 農產品批發市場管理辦法第16條
貨品交易之順序,除本法第八條第二項規定應優先處理者外,依左列方式決定:
一、入場先後。
二、抽籤決定。
前項二款之交易順序,應由各市場於作業流程及管理規章中定之。

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