(a) Except as provided by § 437.220, a member of the Texas military forces who performs training or other military duty under authority of the United States Code may not receive pay or allowances from this state for that duty.
(b) When orders are issued for state active duty or state training or other duty, a National Guard service member of the Texas military forces performing the duty or training is entitled, during the period of the duty or training, to receive pay and allowances as provided by law for the United States armed forces. Pay is a stipend for duty or training and is salary or base pay. The pay may not be reduced because of food, shelter, or transportation that this state pays or furnishes in connection with the duty or training.

(c) The adjutant general shall set the daily pay rate and allowance rate for state active duty and for state training and other duty for Texas State Guard service members called to duty or training under this chapter. The rate established by the adjutant general may not exceed the meal and lodging rate set by the comptroller by more than $25 per day. The department shall publish information about the established pay rates on the department’s Internet website.
(d) Duty or training by volunteers in the Texas State Guard without pay is considered for insurance and state coverage purposes as if it were duty or training for pay.