; or (B) the date on which the President terminates, under section 3(a)(3), the duty-free treatment of titanium sponge under subsection (a). (c) Exception The rate of duty provided for in column 2 of subheading 8108.20.00 of the Harmonized Tariff Schedule of the United States on the day before the date of the enactment of this Act shall continue to apply with respect to imports of titanium sponge from Belarus, Cuba, North Korea, and the Russian Federation during the period described in subsection (b). 3. Authority to terminate duty-free treatment based on monitoring of titanium sponge market and national security conditions (a) Authority To terminate suspension of duties (1) In general Not later than 3 years after the date of the enactment of this Act, and annually thereafter until the end of the period described in section 2(b), the President shall determine whether the production of titanium sponge in the United States is sufficient to meet the national security needs of the United States. (2) Consultation period Before making a determination required by paragraph (1), the President shall provide for a period of 60 days during which stakeholders may submit comments relating to the determination. (3) Effect of positive determination If the President determines under paragraph (1) that the production of titanium sponge in the United States is sufficient to meet the national security needs of the United States, the President shall terminate the duty-free treatment of titanium sponge under section 2, effective on the date that is one year after the date of the determination. (b) Authority To modify increase duties (1) In general The President may, notwithstanding section 2(a) and upon consideration of the factors described in paragraph (2) and subject to paragraph (3), proclaim increases in the rate of duty applicable to titanium sponge classified under subheading 8108.20.00 of the Harmonized Tariff Schedule of the United States. (2) Consideration of certain market and security conditions In determining whether to