Europol Public Information  by Europol from the Dutch Tax authorities. If required, the  Contractor  shall provide Europol with all  necessary assistance to facilitate the procedure to reclaim VAT.  For avoidance of doubt, this Article may be applicable to performance of services at (a) Europol  secondary site(s), if expressly specified in the Special Conditions and/or the Tender Specifications.  This Article does not apply to services performed at the  Contractor’s location or within 100km  thereof. The sub-paragraphs of this Article below only apply where the Special Conditions indicate  that reimbursements are possible and to the extent that they are expressly permitted.  Page 38 of 79  Europol’s initials:  Contractor’s initials:  6. Subject to the same minimum travelling distance condition, and the actual need to stay overnight  for purpose of performing the services at the outside location: ii. by the  Contractor , if any other reason has led to a change of its  Personnel  travel plans. The   will be obliged to sign off a form by which the change of travel plans is authorised  and the  Contractor  accepts to bear any additional costs resulting from this change. Europol  shall have the right to off-set these costs against any existing or future invoices under the  Framework Contract .  i. by Europol, if the change is justified by operational reasons signed off by the named Europol  contract manager;  5. The  Contractor  is required to notify the travel plans to the Europol contract manager named in the  Special Conditions at least 15 (fifteen) days in advance of the proposed days of travel. Any  additional costs due to a change of these travel plans at a later stage shall be borne as follows:  4. Additional travel costs such as costs for local public transport and/or taxi will be covered by the  subsistence allowance referred to in paragraph 6 (ii) below. 3. If  Contractor’s Personnel  travel by car, Europol will reimburse the costs of travel at a rate of the  price of a second class train ticket.  2. Subject to a minimum travelling distance condition specified at paragraph (1) above, the Contractor  may make its own travel arrangements for its  Personnel 1. This Article shall apply whenever Europol purchases services, which are to be performed further  than 100 kilometres one-way, measured from Europol’s main headquarter in The Hague and only if  expressly stated in the Special Conditions. ii. The Contractor acknowledges and agrees to the use of electronic  Timesheets based on a  software application of Europol’s’ choice. Europol shall retain administrative personal and  other information related to the performance of the Framework Contract in its systems for a  period as reasonably required for the purpose of contractual implementation and discharge of  Europol’s obligations under its financial legal regime. i. If provided for in the Special Conditions, the  Contractor shall submit invoices in electronic  format if the conditions regarding electronic signature specified by Directive 2006/112/EC on  VAT are fulfilled. Reception of  Contractor’s  invoices in standard format (pdf) or email is not  accepted, unless in accordance with Article II-26 (“Means of communication”).  5. E-invoicing and  Timesheets :  Article II-10  Reimbursements 