The strategy required under subsection (a) shall be available to the public in unclassified form, including through publication in the Federal Register. (2) Classified annex (A) In general If the Secretary of State determines that such is appropriate, the strategy required under subsection (a) may include a classified annex consistent with United States national security interests. (B) Rule of construction Nothing in this subsection may be construed as authorizing the public disclosure of an unclassified annex under subparagraph (A). (d) Briefing Not later than 30 days after the production of the strategy required under subsection (a), the Secretary of State shall brief the Committee on Foreign Affairs of the House of Representatives and the Committee on Foreign Relations of the Senate on such strategy, including any material contained in a classified annex. (e) Updates The strategy required under subsection (a) shall be updated— (1) not later than 90 days after there has been any material change to United States policy as described in such strategy