September 24 (SeeNews) - Serbia has fined the local unit of Dutch-Belgian food retailer Ahold Delhaize and Veropoulos, part of Greek peer Vero Holding, with a total of 25.5 million dinars ($255,575/ 217,599 euro) over non-compliance with a regulation capping retailers' profit margins at 20%, trade minister Jagoda Lazarevic said on Wednesday.