Enforcement Rules of Agricultural Products Market Transaction Act Article 20

The farmers as direct retailers who are admitted by Article 21 paragraph 2 of the Said Law are limited to those who are able to prove the products are produced by their own.
中文原文 農產品市場交易法施行細則第20條
農民依本法第二十一條第二款規定為農產品之直接零售者,以能證明其為自行生產者為限。

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