Regulation 70 Conditions for performance of contracts
(1)
A contracting authority may lay down special conditions relating to the performance of a contract, provided that they are—
(a)
linked to the subject-matter of the contract within the meaning of regulation 67(6) (contract award criteria); and
(b)
indicated in the call for competition or in the procurement documents.
(2)
Such conditions may include economic, innovation-related, environmental, social or employment-related considerations.