Whereas the imposition of a tariff quota at a duty rate of ECU 5/MT on 2 730 000 tonnes of residues from the manufacture of starch from maize ( corn gluten feed ) falling within CN codes 2303 10 19 and 2309 90 20 originating in the United States of America imported each year into the Community represents a substantially equivalent trade concession; whereas an autonomous duty should be established to ensure respect of the quota.. This sentence is hard to understand. A simpler version with equivalent meaning is the following:
The introduction of a tariff quota with a duty rate of 5 ECU / Mt on 2 730 000 tonnes of residues from maize starch production ( feed based on maize glutin ) under CN codes 2303 10 19 and 2309 90 20 originating in the United States of America , which are annually in imported into the Community represents an essentially equivalent trade concession . An autonomous tariff should be established to ensure compliance with the quota .