According to the resolution of the Cabinet of Ministers of Ukraine dated 19.03.1994 No. 172 - food products with normal expiration dates and proper quality are not subject to exchange or return.
Food products of inadequate quality (defective, spoiled) are subject to exchange and return, provided that the seller does not comply with the terms of sale of the product - if the product was initially defective, and not during transportation or storage in the carriers' warehouses.