COMMISSION REGULATION (EC) No 794/2004 of 21 april 2004 implementing Council Regulation (EC) No 659/1999 laying down detailed rules for the application of Article 93 of the EC Treaty ANNEX I ANNEX II ANNEX III A STANDARDISED REPORTING FORMAT FOR EXISTING STATE AID ANNEX III B STANDARDISED REPORTING FORMAT FOR EXISTING STATE AID ANNEX III C INFORMATION TO BE CONTAINED IN THE ANNUAL REPORT TO BE PROVIDED TO THE COMMISSION