Idaho Code § 23-932
For the purpose of the administration of this act the director shall make, promulgate and publish such rules and regulations as the said director may deem necessary for carrying out the provisions of this act and for the orderly and efficient administration hereof, and except as may be limited or prohibited by law and the provisions of this act, such rules and regulations so made and promulgated shall have the force of statute. Every licensee shall advise himself of such rules and regulations, and ignorance thereof shall be no defense. Without limiting the generality of the foregoing provisions, the said director shall be empowered and it is made his duty to prescribe forms to be used in the administration of this act, the proof to be furnished and the conditions to be observed in the issuance of licenses, prescribing forms or records to be kept of the sale of liquor by stores, prescribing notices required by this act or the regulations thereof, and the manner of giving and serving the same, prescribing, subject to the provisions of this act, the conditions and qualifications necessary to obtain a license, the books and records to be kept by the licensee, the form of returns to be made by them, and providing for the inspection of such licensed premises, specifying and describing the place and manner in which the liquor may be lawfully kept or stored, covering the conduct, management and equipment of premises licensed to sell liquor and make regulations respecting the sale and consumption of liquor in clubs, hotels and other places of business to licensees.
Idaho Code § 23-932