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ECHA may specify 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: 

• Description of the articulation of the work requested by ECHA 

• Work plans 

• The team structure in terms of the profiles foreseen in the FWC666, roles, responsibilities and estimated efforts (person-days) per profile 

• List of resources proposed: the contractor shall assign to the performance of the specific contract only resources matching the profiles accepted with the offer. Such match shall be auditable by ECHA in case of resource performance issues or evidence of mismatch.The contractor shall be in a position to provide the CVs (in Europass format) and/or certifications of their resources. 

• Cost breakdown 

o The overall value (cost) of the offer shall be broken down by requested sub- tasks and respective estimated person-days per profile for each subtask. 

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 FWC666. 

Upon agreement of the parties, the distribution of the days in the team may be adjusted during the implementation of the QTM SC, within its overall financial value, without requiring amendment of the Specific Contract. 

The contractor may change the resources performing under the specific contract by notifying ECHA and without need for ECHA approval, except for the core team members (see 6.2 Conditions applicable to all contract types).The contractor is fully responsible for the delivery of each sub-task and cannot claim any delay due to replacement of resources. 

Interim payments are possible. ECHA can retain a certain percentage from interim payments until final acceptance of all the deliverables. A performance guarantee may be requested. 

## Launch of a sub-task 

After signature of the QTM specific contract, ECHA launches the sub-tasks in the order deemed necessary. To do so, ECHA sends a work order detailing the sub-task. The contractor submits a proposal for the execution (including the efforts and time schedule) and a number of estimated person-days per requested profile(s). The cost shall be all- inclusive, including travel and subsistence costs only in case of work performed at a third- party location. 

On acceptance of the proposal, ECHA issues a QTM form to be signed by both parties. 

Only once ECHA has accepted the deliverables of the sub-task, the contractor can invoice the agreed costs. 

## 6.1.3. Time and Means contracts 

ECHA specifies the requirements in the service request, notably the articulation of the work into tasks and per task: deliverables, delivery schedule, foreseen traveling, and the 

