Orrick’s Structured Finance Group published a summary of the final rules relating to NRSROs and Third-Party Due Diligence Reports adopted by the SEC on August 27, 2014. Among other things, the new and amended rules impose new obligations on ABS issuers and underwriters to publicly file third-party due diligence reports and require the providers of third-party due-diligence services to provide written certification to each NRSROs that produces a rating related to the due diligence services rendered. Issuers, underwriters, and providers of third-party due-diligence services must comply with the new rules discussed in the alert by June 15, 2015. Orrick Summary. Final Rules.