1.   Among other things, drug-producing animals will have to be certified as free of mad cow disease or other serious infectious illnesses.

2.   Their herds have been certified free of hoof-and-mouth disease.

3.   The new measure tightens previous controls under which farms were certified free to export if an on-site inspection failed to uncover dioxin traces.

4.   Wheat that is certified free of the fungus can be shipped out.

5.   Cattle certified free of BSE must be kept separate from animals which had not met the other conditions.