on march two environmental organisations submitted a petition for rulemaking to ban swordfish imports using the mmpa authority these regulations would establish conditions for evaluating a harvesting nation s regulatory program to reduce marine mammal incidental mortality and serious injury in the harvesting nation s fisheries that export fish and fish products to the united states under this proposed rule in order to export fish to the united states harvesting nations must apply for and receive a comparability finding for each export fishery identified by the assistant administrator for fisheries to receive a comparability finding the harvesting nation must provide reasonable proof that it has adopted and is implementing a regulatory program governing the incidental mortality and serious injury of marine mammals in the export fishery that is comparable in effectiveness to the us regulatory program