S.L. 601.9 · Concession Contracts Regulations (S.L. 601.9)
S.L. 601.9 Art. 83Obligations on subcontractors.
(1) Contracting authorities shall ensure that the obligations established under regulation 16(1)(i) are observed also by sub-contractors.
(2) The concessionaire is liable for all acts or omissions carried out by his subcontractors during the concession.