The disclosure rule recently issued by the Securities and Exchange Commission aims to reduce reliance on credit ratings in the structured finance market, an issue that federal regulators have long grappled with. The SEC’s Regulation AB took effect in 2006, and it included a requirement that publicly offered securities have an investment-grade rating. The so-called Reg AB2 finalized by the SEC in August eliminates the rating requirement and instead sets a number of new requirements for publicly issued deals. Beginning in November 2015, the CEO of the depositor of publicly issued...