Organization Act of the Ministry of National Defense Article 10

If necessary, MND shall be permitted by the Executive Yuan and dispatch staff members to work in the R.O.C. Overseas Missions in pursuance of the Organization Act of Diplomatic Missions of the Republic of China.
中文原文 國防部組織法第10條
本部為應業務需要,得報請行政院核准,派員駐境外辦事,並依駐外機構組織通則規定辦理。

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