The provisions of the law then in effect shall continue to apply to the deposit, filing, refiling, or other record whatsoever of a chattel mortgage, conveyance intended to operate as a mortgage, trust receipt, conditional sales contract, or other similar instrument or any copy of same covering a motor vehicle, trailer, or semitrailer, made prior to July 1, 1951.

Source: SDC 1939, § 44.0203 (1) as added by SL 1951, ch 229 , § 3; SL 1965, ch 186 , § 3.