COMMISSION IMPLEMENTING REGULATION (EU) No 704/2011 of 20 July 2011 approving the active substance azimsulfuron, in accordance with Regulation (EC) No 1107/2009 of the European Parliament and of the Council concerning the placing of plant protection products on the market, and amending the Annex to Commission Implementing Regulation (EU) No 540/2011 ANNEX I ANNEX II