The adjutant general shall disburse the allowance provided above in accordance with such rules and regulations as he or she shall promulgate in payment of actual expenses incurred in maintaining and equipping a shooting range and grounds and equipment therefor, and in transporting competitors and range officers and assistants to and from the shooting grounds, and in furnishing mess at the shooting grounds and providing and keeping proper records, and for postage, telegrams and telephone messages necessary in organizing the annual state competitions and notifying contestants therefor and for equipment for the team selected, upon the filing of proper vouchers therefor.