Minn. Stat. § 80A.71: SECTION 504; FILING OF SALES AND ADVERTISING LITERATURE.

(a) Filing requirement. Except as otherwise provided in subsection (b), a rule adopted or order issued under this chapter may require the filing of a prospectus, pamphlet, circular, form letter, advertisement, sales literature, or other advertising record relating to a security or investment advice, addressed or intended for distribution to prospective investors, including clients or prospective clients of a person registered or required to be registered as an investment adviser under this chapter.

(b) Excluded communications. This section does not apply to sales and advertising literature specified in subsection (a) which relates to a federal covered security, a federal covered investment adviser, or a security or transaction exempted by section 80A.45, 80A.46, or 80A.47 except as required pursuant to section 80A.45(7).