The report required by subsection (a) and each notice required by subsection (b) shall be submitted in unclassified form, but may contain a classified annex. The unclassified portion of each report shall, at a minimum, include each change made to the legal and policy frameworks during the preceding year and the legal, factual, and policy justifications for such changes, and shall be made available to the public at the same time it is submitted to the appropriate congressional committees.