9-325. Certified copies of writings. Whenever a copy of a writing is certified for the purposes of evidence, the certificate must state in substance, that the copy is a correct copy of the original, or of a specified part thereof, as the case may be. The certificate must be under the official seal of the certifying officer, if there be any, or if he be a clerk of a court having a seal, under the seal of such court.
[(9-325) C.C.P. 1881, sec. 919; R.S., R.C., & C.L., sec. 5982; C.S., sec. 7957; I.C.A., sec. 16-318.]