70-20-105. Joint tenancy -- how created. (1) A joint tenancy as to any interest in real property may be established by the owner of the interest by designating in the instrument of conveyance or transfer the names of the joint tenants, including the person's own, without the necessity of any transfer or conveyance to or through a third person.

(2) All joint tenancies created in this manner prior to July 1, 1963, are sufficient in law to create a joint tenancy.