Idaho Code § 39-1349

The district treasurer shall provide himself, at the expense of the district, with a bulletin board, across the top of which shall be printed or inscribed the words “.... hospital district warrant bulletin.” It shall be the duty of the treasurer to keep such bulletin board conspicuously, securely and permanently in place in his office, and thereupon to place in a manner which will insure continuous notice of not less than sixty (60) days, all notices issued by him, whether written or printed, calling for the presentation of district warrants for payment.