The Commission shall review disclosures made by issuers reporting under section 78m(a) of this title (including reports filed on Form 10-K), and which have a class of securities listed on a national securities exchange or traded on an automated quotation facility of a national securities association, on a regular and systematic basis for the protection of investors. Such review shall include a review of an issuer's financial statement.
For purposes of scheduling the reviews required by subsection (a), the Commission shall consider, among other factors-
In no event shall an issuer required to file reports under section 78m(a) or 78o(d) of this title be reviewed under this section less frequently than once every 3 years.
15 U.S.C. § 7266