Nothing contained in § 44-8-20 or 44-8-21 shall affect the rights of a payee or other owner of a note given in payment of all or part of the purchase price of real estate unless such note is secured by a real estate mortgage.

Source: SL 1933, ch 138 , § 4; SL 1935, ch 150 , § 4; SDC 1939, § 39.0308.