400—Except where the work under a hire contract cannot be completed, in which case the compensation is apportioned.

401—It is narrated from Abū Hurayrah, traced back to the Prophet1: “Allah Most High said: ‘There are three whose adversary I shall be on the Day of Resurrection: a man who made a covenant in My name and then broke it; a man who sold a free person and consumed the proceeds; and a man who hired a laborer, received the full benefit of his labor, and did not pay him his wages.’” Narrated by Muslim2.

402—A reward contract is broader in scope than a hire contract because it is permissible for acts of devotion, because the work involved may be specified or unspecified3, and because it is a revocable contract, unlike a hire contract4.

403—A leased asset may be subleased to someone5 who takes the lessee’s place, provided that his use is no more damaging.

404—Neither contract entails liability in the absence of wrongful conduct or negligence6.