; (2) the impact to ocean ecosystems of continuing or terminating the exemption; (3) the impact on enforcement of the ban contained in section 3 caused by the exemption; and (4) the impact of the exemption on shark conservation. 5. Definitions In this Act: (1) Shark The term shark means any species of the orders Pristiophoriformes, Squa­tin­i­formes, Squaliformes, Hexanchiformes, Lam­ni­formes, Carchariniformes, Orectolobiformes, and Heterodontiformes. (2) Shark fin The term shark fin means the raw, dried, or otherwise processed detached fin, or the raw, dried, or otherwise processed detached tail, of a shark. 6. State authority Nothing in this Act affects any right of a State or territory of the United States to adopt or enforce any regulation or standard that is more stringent than a regulation or standard in effect under this Act.