Idaho Code § 22-310

In any case in [which] a fair district, or any person, association or corporation with which the fair district has contracted to conduct activities permitted by law, has paid out moneys by check or warrant in the form of premiums, awards, winnings, prizes, or return of entry fees, and such check or warrant remains uncashed or unclaimed after one (1) year from date of issue, such check or warrant shall be presumed abandoned, and legal title shall revert to the issuer, and such check or warrant may be voided or canceled. The proceeds of such abandoned check or warrant shall not be subject to the provisions of chapter 5, title 14, Idaho Code.