SDCL § 43-25-26: Recording of grant of estate in real property--Acknowledgment or proof by subscribing witness required.

The execution of a grant of an estate in real property, other than an estate at will or for a term not exceeding one year, if it is not duly acknowledged, must, to entitle the grant to be recorded, be proved by a subscribing witness, or as otherwise provided in §§ 43-28-8 and 43-28-10.