pest-free or disease-free area means an area in which a specific pest or disease does not occur;

a) adopt, maintain or apply a different risk assessment procedure for a pest-free or disease-free area than for an area of low pest or disease prevalence, or

Thus, a certificate of origin was required for wheat, to establish that the product originated in a pest-free zone.

plant pest controlled area” means a locality declared by the Director- General in the Government Gazette as area for prevention or eradication of plant pests;