Annex A TECHNICAL ANNEX: TASKS DESCRIPTION WORKING METHOD: QUOTED TIME & MEANS 21  See Annex C – Certificate of Conformity (to be submitted together with the  invoice)  $^{ }$The invoicing, approved by the contracting authority, will be carried out on  the basis of each "sub-task" accepted and signed for by the contracting  authority using the form in Annex B and in accordance with Article 5.  $^{ }$Once the estimate has been accepted by the contracting authority, only the  number of days indicated in the estimate will be chargeable. (See Annex B)  Since the work will be divided into various sub-tasks (or  "quoted time &  means" ), the contracting authority will provide the contractor with a  detailed description of each requested sub-task. The contractor will then send  the contracting authority an estimate of the number of days needed to  perform the sub-task and the expected delivery date.  [As outlined in the request for offer by the contracting authority] The work covered by the present Specific Contract is divided into various  sub-tasks according to the detailed description provided in section 2 below.  $^{ }$1.  CONTEXT/INTRODUCTION AND OBJECTIVES 2.  DESCRIPTION OF TASKS $^{ }$3.  WORK ENVIRONMENT/CONDITIONS 4.  DESCRIPTION OF THE METHOD FOR ACCEPTING EACH SUB-TASK  WORKING DAYS ESTIMATE $^{ }$5.  ACCEPTANCE OF THE WORK 6.  DELIVERY SCHEDULE 7.  QUALITY STANDARDS AND PROCEDURES 8.  SECURITY REQUIREMENTS