Classified National Security Information Protection Act Article 30

When information which are related to other agencies meet declassification requirements, these relevant agencies shall be consulted before final declassification.
中文原文 國家機密保護法第30條
前二條情形,如國家機密事項涉及其他機關業務者,於解除機密之核定前,應會商該他機關。

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