1. Commission Regulation (EC) No 508/1999 of 4 March 1999 amending Annexes I to IV to Council Regulation (EEC) No 2377/90 laying down a Community procedure for the establishment of maximum residue limits of veterinary medicinal products in foodstuffs of animal origin. Official Journal L 060, 09/03/1999, 16.
2. Code of Federal Regulation, Title 21 (Food and Drugs), Vol. 6, Part 556. Revised April 1, 2006.
3. Commission Decision 2002/657/EC of 12 August 2002, implementing Council Directive (EC) 96/23 concerning the performance of analytical methods and the interpretation of the results (txt with EEA relevance), Off. J. Eur. Commun. L221 (2002) 8.