Civil Code · English · 2015 Article 1399Determination of Kind of Duty Involved In determining the extent to which an obligation of a party involves a duty of best efforts in the performance of an activity or a duty to achieve a specific result, regard shall be had, among other factors, to:#(a)the way in which the obligation is expressed in the contract;#(b)the contractual price and other terms of the contract;#(c)the degree of risk normally involved in achieving the expected result;#(d)the ability of the other party to influence the performance of the obligation.# ← Article 1398Article 1400 →