(a) A person shall not be commissioned or enlisted in the State Guard if either of the following apply:
(1) The person is not a citizen of the United States or has not declared their intention to become a citizen of the United States.
(2) The person has been expelled or dishonorably discharged from a military or naval organization of this state, of another state, or of the United States.
(b) A person is not eligible to commission or enlist in the State Guard if they actively participate in any of the conduct set forth in subdivision (a) of Section 240.
(c) A person who is commissioned or enlisted in the State Guard shall be discharged under undesirable conditions if they actively participate in any of the conduct set forth in subdivision (a) of Section 240.