Idaho Code § 8-537
The sheriff must return the writ of attachment with the summons, if issued at the same time; otherwise within twenty (20) days after its receipt, with a certificate of his proceedings indorsed thereon or attached thereto; and whenever an order has been made discharging or releasing an attachment upon real property, a certified copy of such order may be filed in the office of the county recorder in which the notice of attachment has been filed, and be indexed in like manner.
[(8-537) C.C.P. 1881, sec. 340; R.S., R.C., & C.L., sec. 4324; C.S., sec. 6815; I.C.A., sec. 6-537.]