§ 72-11-322, MCA
En. Sec. 495, p. 359, L. 1877; re-en. Sec. 495, 2nd Div. Rev. Stat. 1879; re-en. Sec. 495, 2nd Div. Comp. Stat. 1887; re-en. Sec. 1791, Civ. C. 1895; re-en. Sec. 4784, Rev. C. 1907; re-en. Sec. 7037, R.C.M. 1921; Cal. Civ. C. Sec. 1338; Field Civ. C. Sec. 600; re-en. Sec. 7037, R.C.M. 1935; R.C.M. 1947, 91-222.