such term is defined in section 3(4) of the National Security Act of 1947 ( 50 U.S.C. 3003(4) )) and Federal law enforcement of homeland security information and terrorism information assists such entities in carrying out their respective missions. (c) Form The guidance required under subsection (a) shall be submitted in unclassified form, but may include a classified annex. (d) Annual review For each of the five fiscal years beginning with the fiscal year that begins after the date of the enactment of this section, the Secretary shall conduct a review of the guidance required under subsection (a) and, as appropriate, revise such guidance. . (b) Clerical amendment The table of contents in section 1(b) of the Homeland Security Act of 2002 is amended by inserting after the item relating to section 210F the following new item: Sec. 210G. Homeland intelligence doctrine. . 3. Analysts for the Chief Intelligence Officer Paragraph (1) of section 201(e) of the Homeland Security Act of 2002 ( 6 U.S.C. 121(e) ) is amended by adding at the end the following new sentence: The Secretary shall also provide the Chief Intelligence Officer with a staff having appropriate expertise and experience to assist the Chief Intelligence Officer. .