expiration of the warranty period, transfer immediately to the contracting authority, at the  contracting authority's request and cost, the benefit of such obligation for the unexpired  duration thereof.  Page 5 of 36  August 2020 c4e_annexigc_en  Article 8 -  Assistance with local regulations  Article 7 -  Supply of documents  OBLIGATIONS OF THE CONTRACTING AUTHORITY  6.7. If the contractor enters into a subcontract without approval, the contracting authority may,  without formal notice thereof, apply as of right the sanction for breach of contract  provided for in  Articles 35 and 36. 6.8. If a subcontractor is found by the contracting authority or the project manager to be  incompetent in discharging its duties, the contracting authority or the project manager  may request the contractor forthwith, either to provide a subcontractor with qualifications  and experience acceptable to the contracting authority as a replacement, or to resume the  implementation of the tasks itself.  7.1. Save where otherwise provided in the special conditions, within 30 days of the signing of  the contract, the contracting authority shall provide the contractor, free of charge, with a  copy of the drawings prepared for the implementation of the tasks and a copy of the  specifications and other contract documents. The contractor may purchase additional  copies of these drawings, specifications and other documents, in so far as they are  available. Upon final acceptance, the contractor shall return to the contracting authority  all drawings, specifications and other contract documents.  7.2. The contracting authority shall co-operate with the contractor to provide information that  the latter may reasonably request in order to perform the contract.  7.3. The contracting authority shall notify the contractor of the name and address of the  project manager.  7.4. Unless it is necessary for the purposes of the contract, the drawings, specifications and  other documents provided by the contracting authority shall not be used or communicated  to a third party by the contractor without the prior consent of the contracting authority.  7.5. The project manager shall have authority to issue to the contractor administrative orders  incorporating such supplementary documents and instructions as are necessary for the  proper execution of the contract and the remedying of any defects therein.  7.6. The special conditions must indicate the procedure used, if necessary, by the contracting  authority and the project manager to approve drawings and other documents provided by  the contractor.  8.1. The contractor may request the assistance of the contracting authority in obtaining copies  of laws, regulations and information on local customs, orders or bye-laws of the country  where the supplies are to be delivered which may affect the contractor in the performance  of its obligations under the contract. The contracting authority may provide the assistance  requested to the contractor at the contractor's cost. 