Commission Regulation (EC) No 509/2001 of 15 March 2001 supplementing the Annex to Regulation (EC) No 2400/96 on the entry of certain names in the "Register of protected designations of origin and protected geographical indications" provided for in Council Regulation (EEC) No 2081/92 on the protection of geographical indications and designations of origin for agricultural products and foodstuffs