Idaho Code § 45-614
Any person shall have the right to collect wages, penalties and liquidated damages provided by any law or pursuant to a contract of employment, but any action thereon shall be filed either with the department or commenced in a court of competent jurisdiction within two (2) years after the cause of action accrued, provided, however, that in the event salary or wages have been paid to any employee and such employee claims additional salary, wages, penalties or liquidated damages, because of work done or services performed during his employment for the pay period covered by said payment, any action therefor shall be commenced within twelve (12) months from the accrual of the cause of action. It is further provided that if any such cause of action has accrued prior to the effective date of this act, and is not barred by existing law, action thereon may be commenced within six (6) months from the effective date of this act. In the event an action is not commenced as herein provided, any remedy on the cause of action shall be forever barred.
Idaho Code § 45-614