7.5—Availability of opinions, orders, staff manuals, statements of policy, and interpretations and indices.

(a) This section implements 5 U.S.C. 552(a)(2). It prescribes the rules governing the availability for public inspection and copying of the following reading room materials:
(b) Any material listed in paragraph (a) of this section that is not made available for public inspection and copying, or that is not indexed as required by § 7.7, may not be cited, relied on, or used as precedent by DOT to affect any member of the public adversely unless the person to whose detriment it is relied on, used, or cited has had actual timely notice of the material.