the amendment shall be such that the effect of the additional import duty on imports of the selected products originating in the United States represents, over one year, a value of trade that does not exceed the level of nullification or impairment;
déanfar an leasú sa chaoi go mbeidh éifeacht na dleachta allmhairiúcháin breise ar allmhairí na dtáirgí roghnaithe de thionscnamh na Stát Aontaithe, thar 1bhliain amháin, ionann le luach trádála nach mó ná an leibhéal neamhnithe nó lagaithe;