The Weights and Measures Act Article 14

The dedicated weights and measures authority may conduct verification on legal measuring instruments.The marking, structure, maximum permissible error of verification, term of validity of the verification, maximum term of service, and relevant technical specifications of legal measuring instruments subject to verification shall be published per public notice by the dedicated weights and measures authority.
中文原文 度量衡法第14條
度量衡專責機關得對法定度量衡器施予檢定。
前項應經檢定法定度量衡器之標示、構造、檢定公差、檢定合格有效期間、最長使用期限及相關技術規範,由度量衡專責機關公告之。

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