4.  Re-submission or alternative tender  5.  Withdrawal of tenders  6.  Deadline for receipt of tenders Please note that you are responsible to ensure that your full tender reaches the destination in due  time.  For information with regards contacts during the procurement procedure please refer to the Invitation to  tender. When communicating state the reference to the call for tenders and, if applicable, the Tender ID.  If the Contracting Authority detects technical faults in the functioning of the electronic equipment used for  submitting and receiving tenders due to which it is impossible to electronically submit and receive tenders, you  will be informed of the extension of the time limit by the Contracting Authority at the e-Tendering link indicated  in the Contract Notice.  In case of problems with the electronic submission of the tender, we recommend that you call the DG DIGIT  helpdesk in reasonable time before the time limit for receipt. The time it takes to submit the tender and upload  all your documents may vary considerably depending on the number of concurrent submissions by other  economic operators, the size of your tender and the type of internet service you are using.  7.  Contact the Contracting Authority  Page 3 of 4  Appendix I to the Tender Specifications  The tender (including all documents) must be fully uploaded and received before the deadline for receipt of  tenders indicated in the Invitation to tender.  The notification must be sent by letter, with an advance scanned copy by e-mail to the dedicated email  address. The letter shall be sent to the postal address indicated in the Contract Notice, stating the reference  to the call for tenders and the Tender ID(s) you wish to withdraw. If after submitting a tender, you wish to completely withdraw your tender, you must formally notify the  Contracting Authority that you wish to withdraw your submitted tender(s).This withdrawal notification must be  signed by the same authorised legal representative(s) who previously signed the tender(s) in question.  The notification must be sent to the dedicated email address indicated in the Invitation to tender stating the  reference to the call for tenders and the Tender ID you wish to withdraw.  You must formally notify the Contracting Authority by that the previous tender is withdrawn. You are also  entitled to send several tenders to one call for tenders. After submitting a tender, but within the time limit for receipt of tenders, you may still submit a new version of  your tender.  If you submit a new Tender you must include all your Tender related documents, including the  Qualification and Tender documents. 