; and (B) a justification for such planned action or inaction. (c) Legal statement Each guidance document issued under this subtitle shall include a statement, in a plain, prominent, and permanent manner, that it is not legally binding. (d) List of guidance documents (1) In general The Secretary shall establish and maintain, on a public website, a list of all guidance documents issued under this subtitle that are in effect. (2) Contents The Secretary shall include, for each guidance document on the list— (A) a document identification number; (B) the title; (C) the date of issuance; (D) the date it was last revised, if applicable; (E) a brief summary; (F) a link to the guidance document; (G) a note if it is a revision or replacement to a previously issued guidance document and, if so, identify the document that it revises or replaces and the date of its original issuance; (H) the citation to the statutory provision or regulation (in Code of Federal Regulations format) which it applies to or interprets; (I) the name and contact information for an official who can respond to relevant questions; and (J) a description of the person or group of persons to whom the guidance document applies. (3) Updates The Secretary shall update the list whenever a guidance document is issued, revised, or rescinded, not later than 10 days after such date of issuance, revision, or rescission, as applicable. (e) Publication The Secretary shall— (1) not later than December 31, 2018, publicize on the Department of Transportation website the procedure for making a request under subsection (b)(1); and (2) not later than December 31, 2018, make the list under subsection (d) publicly available and accessible on the Department of Transportation website. (f) Rules of construction Nothing in this section may be construed— (1) to require the release of security-sensitive, proprietary, or confidential business information