§ 131.3. Articles to be explained. Sections 130.2, 130.3, 130.7 through 130.15, 130.25, 130.27, 130.31, 130.37, 130.38, 130.55, 130.73 through 130.115 and 131.3 through 131.5 of this code shall be carefully explained to every enlisted person at the time of his enlistment or transfer or induction into or when ordered to duty in or with any of the forces of the organized militia or within thirty days thereafter. They shall also be explained annually to each unit of the organized militia. A complete text of this code and of the regulations prescribed by the governor thereunder shall be made available to any member or the organized militia, upon his request, for his personal examination.