It shall be the duty of the local health officers to furnish report blanks to physicians or other persons who need them, for the purpose of making reports required to be made to them, and of the director of the bureau of venereal diseases to furnish blanks for reports to be made to the said bureau; and counties and municipalities may, if they choose, pay persons, for making such reports as are to be made to county and municipal health officers, the sum of not to exceed 25¢ for each report so made.