No acknowledgment taken prior to February 6, 1943, shall be affected by anything contained in §§ 18-4-6 and 18-4-7. All affidavits and the acknowledgment of any and all written instruments taken and certified by any commissioned officer in the military or naval service of the United States, at any place within or without the United States, at any time before July 1, 1943, are hereby legalized and validated and shall be accorded the same standing as those taken and certified by a notary public within this state with his official seal attached thereto.
SDCL 18-4-8