On May 10, in connection with Section 939F of the Dodd-Frank Act which mandates the SEC to study the feasibility of an assigned rating system, the SEC published a request for comment on the use of a system in which a public or private utility or a self-regulatory organization would assign an NRSRO to determine credit ratings for structured finance products. Comments must be received within 120 days after publication in the Federal Register. SEC Release. SEC Request for Comment.