To suspend temporarily the duty on mixtures of N-[(4,6-Dimethoxypyrimidin-2-yl)aminocarbonyl]-3-(ethylsulfo yl)-2-pyridine-sulfonamide; 2-(((((4,6-Dimethoxypyrimidin-2-yl)aminocarbonyl))aminosulfo yl))-N,N-dimethyl-3-pyridinecarboxamide; and application adjuvants.