I.3.3 The FWC is concluded for a period of 24 months with effect from the date of its entry into force. Unless otherwise specified, all periods specified in the FWC are calculated in calendar days.$^{2}$ 

I.3.4 The parties must sign any specific contract or order form before the FWC expires. 

The FWC continues to apply to such specific contracts or order forms after its expiry. The services relating to such specific contracts or order forms must be performed no later thansix months after the expiry of the FWC. 

## I.3.5 Renewal of the FWC 

The FWC is renewed automatically two  times for 12 months each, unless one of the parties receives formal notification  to the contrary at least three months before the end of the ongoing duration. Renewal does not change or postpone any existing obligations. 

## I.4. A PPOINTMENT OF THE CONTRACTOR AND IMPLEMENTATION OF THE FWC 

## I.4.1 Appointment of the contractor 

The contracting authority appoints the contractor for a single FWC for Lot 1,2 3,4 and/or 5. 

## I.4.2 Period of provision of the services 

The period for the provision of the services starts to run from the date on which the specific contract or order form is signed by the last partyor the date indicated in the specific contractor order form. 

## I.4.3 Implementation of single FWC 

The contracting authority orders services by sending the contractor a request for services or an order form in paper format or by e-mail or via e-PRIOR . 

Within seven working days, the contractor must either: 

- send the specific tender or order form back to the contracting authority signed and dated; or 

- send an explanation of why it cannot accept the request or order. 

In case a request for services has been sent, and if the contracting authority approves the specific tender, it then sends a specific contract or an order form to the contractor. The contractor must send the specific contract or order form back to the contracting authority signed and dated within seven working days of receipt. 

