Rule 482 permits registered investment companies and business development companies to advertise generally, without having to qualify the advertisements as a prospectus under Section 10(a) of the Securities Act of 1933, as amended, or to accompany or precede the advertisement with such a prospectus.
The latest form for Rule 482 under the Securities Act of 1933 Advertising by an Investment Company as Satisfying Requirements of Section 10 expires 2023-08-31 and can be found here.