Europol Public Information  7. The place of performance of services / delivery of goods shall be at the Europol Premises 7  and/or to  various Europol’s Hub sites and any other location as identified in the Tender Specifications at  Annex I and/or  Contractor’s  premises.  1. Without prejudice to Article I-2 (4), this is a Framework Contract with one Contractor. 2. For the implementation of this Framework Contract, Europol may choose between a Specific  Contract or a Purchase Order in accordance with its needs and the level of details of the  Contractor’s Tender at Annex II. Europol shall have the right to opt for a Specific Contract rather  than a Purchase Order without any requirement to justify this procedural choice. Templates Specific  Contract and/or Purchase Order are attached in Annex IV.  3. The  Framework Contract  will be implemented as follows:  4. On-site services as ordered under a  Specific Contract  or  Purchase Order  may be performed between  07:00 and 19:00 hours. Unless specified otherwise in a  Specific Contract  or  Purchase Order , overtime  is not authorised under this  Framework Contract .  5. Throughout the duration of this  Framework Contract , as specified in Article I-3 (“Duration and place  of performance”), the  Contractor  must maintain and update the Catalogue of Price. 6. The period allowed for the delivery of Goods and/or execution of the Services shall start to run from  the Contract Date of the  Specific Contract  or date on which the  Purchase Order(s)  is signed by the  last party. Such period may be extended only with the express agreement of the parties as  evidenced by a written addendum to the relevant  Purchase Order or  Specific Contract concluded  between the parties before such period elapses.  7 Europol Headquarters, Europol Satellite building or any other future Europol buildings/sites in The Netherlands (this includes both The Hague  and SNL) Page 8 of 79  Europol’s initials:  Contractor’s initials:  If the Contractor repeatedly fails to send back the  Specific Contracts  or  Purchase Orders  within the  provided deadline, the  Contractor may be considered in breach of its obligations under this  Framework Contract.  According to the severity of the breach such options shall include application  of liquidated damages or termination after formal notification.  If no  Request for offer  is required or if Europol accepts the Contractor’s specific offer (in accordance  with the procedure at the previous sub-paragraph), Europol shall send the  Contractor a  Specific  Contract  or a  Purchase Order  in paper format/by email/via e-System. Within 5 (five)  Working Days thereafter, the  Contractor  must send the signed and dated  Specific Contract  or  Purchase Order  back  to Europol.  Depending on the clarity of the Contractor’s Tender (at Annex II), Europol may request a  Request for  offer  to implement the  Framework Contract.   Europol shall receive a completed specific offer back,  duly signed and dated within the timeframe indicated in the  Request for offer . In the absence of any  indication, a timeframe of 10 (ten)  Working Days  shall apply.  Implementation of the Framework Contract  Article I- 4 