; (ii) used for noncommercial subsistence purposes in accordance with Federal, State, tribal, or territorial law; (iii) used solely for display, education, conservation, or research purposes by an accredited zoo, aquarium, museum, college, or university; or (iv) used by any other person under a State or Federal permit to conduct noncommercial scientific research. (2) Certifications Pursuant to the regulations prescribed under paragraph (5), the Secretary— (A) shall grant a certification to any nation that has adopted and effectively enforces regulatory programs to provide for the conservation and management of sharks, and measures to prohibit shark finning, that are comparable to those of the United States; and (B) may grant a partial certification to a nation if the Secretary determines that the nation— (i) has adopted and effectively enforces regulatory programs that are comparable to the regulatory programs of the United States to provide for the conservation and management of a specific species of shark imported into the United States or used to produce shark products imported into the United States; and (ii) has in effect an effective ban on shark finning that is comparable to that of the United States. (3) Expiration; renewal A certification or partial certification issued under this subsection— (A) shall be effective for not more than 3 years from the date of issuance