1. Contact between the contracting authority and tenderers during the contract award procedure may take place, by way of exception, under the conditions set out in paragraphs 2 and 3 below:

2. Before the closing date for the submission of tenders the contracting authority may: at the instance of tenderers, communicate additional information solely for the purpose of clarifying the nature of the contract, such information to be communicated on the same date to all tenderers who have asked for the specifications; at its own instance, if it discovers an error, a lack of precision, an omission or any other type of clerical defect in the text of the contract notice, invitation to tender or specifications, inform the persons concerned on the same date and in a manner identical with that applicable in respect of the original invitation to tender.

3. If, after the tenders have been opened, some clarification is required in connection with a tender, or if obvious clerical errors in the tender must be corrected, the contracting authority may contact the tenderer, although such contact may not lead to any alteration of the terms of the tender. In the respect of the limitation of this paragraph, information concerning this invitation to tender may be sought from Mr Silas Olsson and Mr Rainer Guenzler at the address mentioned in the Terms of Reference, part 2 'administrative details', or by e-mail: Silas.Olsson@ec.europa.eu and Rainer.Guenzler@ec.europa.eu

4. Period of validity of the tender during which it may not be varied in any respect: 9 months from the deadline stated for receipt of tenders.

5. You will be informed wheter or not your tender has been accepted.

6. Candidates who intend to submit an offer are asked to communicate it in writing before the deadline for submission to: Mr Silas Olsson and Mr Rainer Guenzler - BU31 6/66 - B1049 Brussels - Belgium or by fax: +32.2.296-01-81 or Silas.Olsson@ec.europa.eu and Rainer.Guenzler@ec.europa.eu

7. Tender opening date: 26/09/2006 14:00am