Europol Public Information  to commence mediation. The mediator’s proposal or conclusion shall not be binding for the parties,  who reserve the right to bring the dispute before the courts, in accordance with paragraph 1 and 2  above.  Page 59 of 79  Europol’s initials:  Contractor’s initials:  7. In addition, the Contractor acknowledges and agrees that its  Personnel  may be required to fill in – in  addition to or instead of written (paper)  Timesheets - electronic  Timesheets based on a software  application of Europol’s choice. Europol retains such information in its systems for the period  required for the implementation of a  Specific Contract  and/or  Purchase Order  under this  Framework  Contract  and discharge of Europol’s obligations under its financial legal regime. 6. Formal notifications are considered to have been received by the receiving party on the date of  receipt indicated in the proof received by the sending party that the notification was delivered to  the recipient identified at paragraph 3 above. 5. Regular mail sent to Europol is deemed to have been received by Europol on the date on which the  Europol Security unit registers it (date of Europol stamp).  4. E-mail is deemed to have been received by the receiving party on the day of dispatch by the sending  party of that e-mail, provided that it is sent to the e-mail address indicated in Article I-8 (“General  administrative provisions”). The sending party must be able to prove the date of dispatch. In the  event that the sending party receives a non-delivery report, it must make every effort to ensure that  the other party actually receives the communication by email or mail. Provided these steps are  taken, the sending party is not in breach of its obligation to send such communication within a  specified deadline.  3. The parties agree that e-mail is a valid means of communication at working level and may be used  for  Formal notification provided that communication is made between legally authorised representatives.  2. If, exceptionally, a party requests paper-based confirmation of an e-mail within a reasonable time,  the other party must provide a paper version of the communication as soon as possible signed by a  legally authorised signatory.  iv. be sent by mail or email, as applicable or, for documents specified in the Special Conditions,  via the  e-System .  iii. be made using the relevant communication details set out in the Special Conditions;  ii. bear the  Framework Contract  number and, if applicable, the  Specific Contract  or  Purchase  Order  number;  i. be made in writing in paper or electronic format in the language of the  Framework Contract ; 1. Any communication of information, notices or documents under the  Framework Contract  must:  7. Within 2 (two) weeks of the date of notification of the proposal by the mediator, the parties can  conclude a written agreement, duly signed by all parties, based on the proposal. The parties further  agree to share equally the costs of mediation, which will not include any other costs incurred by a  party in connection with the mediation.  Means of communication  Article II-26 