Regulations for Food Labeling Article 6

Packed foods with quality specification of national standard as well as in line with comparable level shall be labeled contents according to the national standard grade; those who fail to reach national standard or comparable level shall label contents in accordance with the quality specifications stipulated by the national standard.Packed food without quality specification of national standard shall refer to the quality specifications of the same category of food listed in the national standard and shall set quality specification sheet and label contents of its own accord.
中文原文 糧食標示辦法第6條
包裝糧食之品質規格有國家標準等級且符合相當等級者,應依國家標準等級標示;未達國家標準者,標示等外,並應依國家標準所定品質規格項目標示含量。
包裝糧食之品質規格無國家標準者,應參照同種類糧食之國家標準所列品質規格項目,自訂品質規格表並標示含量。

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