knowingly to sell any security or other property to such business development company or to any company controlled by such business development company, unless such sale involves solely (A) securities of which the buyer is the issuer, or (B) securities of which the seller is the issuer and which are part of a general offering to the holders of a class of its securities;

knowingly to purchase from such business development company or from any company controlled by such business development company, any security or other property (except securities of which the seller is the issuer);

knowingly to borrow money or other property from such business development company or from any company controlled by such business development company (unless the borrower is controlled by the lender), except as permitted in section 80a–21(b) or section 80a–61 of this title; or

knowingly to effect any transaction in which such business development company or a company controlled by such business development company is a joint or a joint and several participant with such person in contravention of such rules and regulations as the Commission may prescribe for the purpose of limiting or preventing participation by such business development company or controlled company on a basis less advantageous than that of such person, except that nothing contained in this paragraph shall be deemed to preclude any person from acting as manager of any underwriting syndicate or other group in which such business development company or controlled company is a participant and receiving compensation therefor.