Regulation 36 Conditions for performance of contracts
(1)
A utility may stipulate conditions relating to the performance of a contract, provided that those conditions are compatible with Community law and are indicated in–
(a)
the notice used as a means of calling for competition and in the contract documents; or
(b)
the contract documents.
(2)
The conditions referred to in paragraph (1) may, in particular, include social or environmental considerations.