71.—(1) In the procurement documents, the contracting authority may ask the tenderer to indicate in its tender any share of the contract that the tenderer may intend to subcontract to third parties and information about any proposed subcontractors including their name and contact details.
(2) Paragraph (1) is without prejudice to the liability of the main contractor under the contract.
(3) Where paragraph (4) applies, the contracting authority must require the main contractor to notify it, at the latest when the performance of the contract commences, of the name, contact details and legal representatives of its subcontractors, involved in such works or services, in so far as known at the time.
(4) This paragraph applies in the case of—
(a)a public works contract;
(b)a public services contract including services to be provided at a facility under the direct oversight of the contracting authority.
(5) The contracting authority must require the main contractor to notify the authority of—
(a)any changes to that information during the course of the contract; and
(b)the name, contact details and legal representatives for any new subcontractors which the contractor subsequently involves in such works or services.
(6) Paragraphs (3) and (5) do not apply to subcontractors who provide only supplies.
(7) Where necessary for the purposes of paragraph (9), the required information must be accompanied by ESPDs in respect of the subcontractors.
(8) A contracting authority may require a contractor to provide information of the kind referred to in paragraphs (3) and (5) in respect of any one or more of the following—
(a)supply contracts or services contracts (other than those concerning services to be provided at the facilities under the direct oversight of the contracting authority);
(b)suppliers involved in works or services contracts;
(c)subcontractors of the main contractor's subcontractors and other contractors further down the subcontracting chain.
(9) A contracting authority may, in accordance with regulations 60 (European Single Procurement Document: use, content and form of the ESPD), 61 (means of proof) and 62 (recourse to e-Certis), verify whether there are grounds for exclusion of subcontractors under regulation 58 (exclusion grounds).
(10) The contracting authority must require the economic operator to replace a subcontractor in respect of which the verification has shown that there are compulsory grounds for exclusion.
(11) The contracting authority may require the economic operator to replace a subcontractor in respect of which the verification has shown that there are non-compulsory grounds for exclusion.