Commission Regulation (EC) No 2655/1999 of 16 December 1999 amending Regulation (EC) No 2221/95 laying down detailed rules for the application of Council Regulation (EEC) No 386/90 as regards physical checks carried out at the time of export of agricultural products qualifying for refunds and amending Regulation (EC) No 3122/94 laying down criteria for risk analysis as regards agricultural products receiving refunds