Changes made by Commission Regulation (EC) No 156/2004 of 29 January 2004 on the Community's financial assistance to the Community reference laboratories pursuant to Article 28 of Decision 90/424/EEC (repealed): Commission Regulation (EC) No 324/2003 of 20 February 2003 establishing the eligibility criteria for the expenditure of the Community reference laboratories receiving financial assistance under Article 28 of Decision 90/424/EEC and establishing the procedures for the submission of expenditure and the conduct of audits