Idaho Code § 67-1613A
Any property remaining after issuance of a citation or any property left unattended shall be held by the agency or its agent removing the property in a secure location for a period of not less than ninety (90) days. Notice shall be posted and remain at the nearest reasonable location to the place of removal with the agency's or agent's contact information for the ninety (90) day period. If property is not claimed within the ninety (90) day period, the property shall be deemed abandoned and the agency shall have the right to dispose of the property. A reasonable storage fee as determined by the agency may be assessed at the time an owner claims the property. The individual claiming the property shall produce identification and shall sign a release form providing his or her name and contact information and swearing that the property belongs to the claiming party. If the provisions of this section are complied with, the state of Idaho, its agents, employees and contractors shall be immune from legal liability for the administration of this section.
Idaho Code § 67-1613A