Pursuant to the powers under Section 15 of the Constitution of the Kingdom of Thailand, B.E. 2560, together with Sections 4 and 9 of the Royal Household Administration Act, B.E. 2560, Sections 10, 13 and 15 of the Royal Decree on the Organization of Administration and Personnel Management of the Royal Household, B.E. 2560, and Section 5 of the Military Rank Act, B.E. 2479
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