COMMISSION DECISION of 20 June 2005 concerning a request for exemption from the vehicle tax rules submitted by France pursuant to Article 6(2)(b) of Directive 1999/62/EC of the European Parliament and of the Council on the charging of heavy goods vehicles for the use of certain infrastructures (notified under document number C(2005) 1818) (Only the French text is authentic) (Text with EEA relevance) (2005/449/EC)