Under the authority of the Pest Control Products Act, Health Canada’s Pest Management Regulatory Agency (PMRA) has concluded that the addition of a new use on sweet potatoes to the product label of DUAL II MAGNUM®Herbicide, containing technical grade S-metolachlor, is acceptable. The specific use approved in Canada is detailed on the label of DUAL II MAGNUM®Herbicide, Pest Control Products Act Registration Number 25729. Benoxacor is a safener included in the Dual II Magnum formulation.