Regulations of Meat Inspection Article 8

Where livestock, poultry, or their carcasses or viscera are found in sampling tests containing residues of harmful substances or foreign objects which do not conform to relevant regulations, the slaughtered carcasses or viscera shall be interpreted as "fail". Other livestock or poultry originated from the same source of production as the tested ones may be retrieved by their owner after a release paper is signed by the veterinary meat inspector if the test result is examined by the veterinary meat inspector and indicates the possibility of the livestock and poultry having the same kind of residues. The livestock or poultry which is not retrieved by their owner will be interpreted as "fail".
中文原文 屠宰衛生檢查規則(890419訂定)第8條
家畜、家禽或其屠體、內臟經抽驗證實殘留有不符相關法令規定之有害人體健康物質或異物者,已屠宰之屠體、內臟應判定不合格,未屠宰者之同生產來源之同批其他家畜、家禽經屠宰衛生檢查獸醫師審視其檢驗結果,而認定其有相同殘留時,於屠宰衛生檢查獸醫師簽發放行文件後,得由所有人領回,不願領回者應判定不合格。

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