ECHA/2020/666  Annex 1 to Tender Specifications  Technical Specifications Restricted  61 (77) place of performance (see 9.3 Place of performance).  ECHA may specify the required profiles and the total maximum number of person days per  place of performance and per sub-task.  The contractor submits an offer meeting the requirements that includes at least:  The contractor shall invoice only the proven number of person-days actually performed by  the accepted candidates. The contractor can request payment only if accompanied by a report specifying the tasks  performed, travels, worked days and hours per resource.  When working on ECHA premises, Resources shall fill out the Time Tracking form in ECHA's  system; the contractor can request payment only after ECHA has verified the correctness  of the submitted worked time against the time recorded in the Time Tracking system.  If a candidate is no longer available before the start of the implementation of the specific  contract, the contractor shall inform ECHA immediately. P.O. Box 400, FI-00121 Helsinki, Finland | Tel. +358 9 686180 | echa.europa.eu  • Candidates whose profile matches the requested profile. The contractor shall  provide the CVs (in  Europass format) and/or certifications of the proposed  candidates. As part of the assessment of the offer, ECHA has the right to interview  the candidates. Candidates proposed shall be available on the start date of the  assignment defined in the service request.  • Cost breakdown based on the unit prices of the FWC666 o The offered cost shall be based on the unit prices of the FWC666 (on-site or  off-site, depending on where the work is to be performed)  o Exceptionally, ECHA may reimburse travel and subsistence expenses only  in case of work performed at a third-party location, i.e. different from  ECHA’s or the  contractor ’s premises, based on  one lump sum covering all  travel and subsistence costs in accordance with Article II.22 of the draft  Framework Service Contract  • If the parties have not signed the specific contract yet , the contractor shall  propose one or more suitable replacements as soon as possible - at the latest within  5 working days from the date when unavailability becomes known. • Otherwise , ECHA is entitled to receive a proposal for one or more suitable  candidates, at the latest within 5 working days from the date when the need for  replacement becomes known.  • Depending on the impact of the handover, ECHA is entitled to receive 10 to 20  man-days of work at no charge.  • If in case of “ force majeure ” (as defined in the  Annex 01 "draft Framework  Contract” of the Tender Specifications ) a person cannot carry out the assignment,  the contractor shall inform ECHA as soon as they become aware of the fact. Within  a maximum of 5 working days they shall provide a suitable replacement and  arrange sufficient handover when possible to guarantee continuity of the service.  Such replacement will be effected at no additional cost for the Agency. • During contract implementation, upon written request of ECHA, the contractor shall  immediately replace their resource if he/she proved  incapable  of carrying out the  tasks to the required standards and according to the requirements of the Specific  Contract. Within a maximum of 5 working days, they shall submit the CV (and if  requested certifications) of suitable candidate(s). Depending on the impact of the  6.1.3.1. Replacements 