When any child shall be brought into juvenile court the court shall request, and the custodian of the record shall furnish, a complete certified copy of such record to the court, which copy shall be received as evidence in the case; and no decision or disposition of the pending matter shall be finally made until such record, if existing, shall be considered.
Minn. Stat. § 144.30
(5356-2) 1929 c 277 s 2