611.5  Action on note and mortgage.
  An action on a note, together with a mortgage or deed of trust for the foreclosure of the same, shall be by equitable proceedings. An action on the bond or note alone, without regard therein to the mortgage or deed of trust, shall be by ordinary proceedings.
[R60, §4179; C73, §2509; C97, §3428; C24, 27, 31, 35, 39, §10942; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §611.5]
Actions on certain judgments prohibited, chapter 615 
Related provision, §654.4