Food Administration Act Article 9

The inspection of paddies acquired for public food stock shall include foreign matter, moisture content, test weight, and quality. Inspection standards shall be prescribed by the Competent Authority.
中文原文 糧食管理法第9條
經收公糧稻穀,驗收項目為夾雜物、水分、容重量及品質;其驗收標準,由主管機關定之。

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