Enforcement Rules of Feed Control Act Article 3
The competent authorities should write out receipts for the samples taken in accordance with the prescription in Article 22, Paragraph 1 of this Act after they accompanied by manufacturers or users seal those samples for keeping.The quantity of the samples needed for inspection taken as prescribed in Article 22, Paragraph 2 of this Act should be no more than four items, with each weighing no more than 300 g.The identification documents as prescribed in Article 22, Paragraph 3 of this Act are verification certificate issued by the competent authorities.