29 CFR Part 1630, Regulations to Implement the Equal Employment Provisions of the ADA (Title I Regulations with amendments issued through May 2016)

(c) Application. This section applies to a covered entity, with respect to its own applicants or employees, whether the entity offered the contract or initiated the relationship, or whether the entity accepted the contract or acceded to the relationship. A covered entity is not liable for the actions of the other party or parties to the contract which only affect that other party's employees or applicants.