COMMISSION DECISION of 20 December 2006 concerning the extension of the deadline for placing on the market of biocidal products containing certain active substances not examined during the ten-year work programme referred to in Article 16(2) of Directive 98/8/EC (notified under document number C(2006) 6707) (Only the Czech, Danish, English, Finnish, Greek and Swedish text is authentic) (2007/70/EC)