(a) Charges and specifications must be signed by a person subject to this chapter, under oath, and before a commissioned officer of the state military force authorized to administer oaths, and must state that:
(1) the signer has personal knowledge of, or has investigated, the matters set forth; and
(2) the matters set forth are true in fact to the best of the signer's knowledge and belief.
(b) On the preferring of charges, the proper authority shall take immediate steps to determine the disposition that should be made in the interest of justice and discipline, and the person accused shall be informed of the charges as soon as practicable.