On September 27th, the CFTC's Division of Market Oversight issued a time-limited no-action letter providing relief for temporarily registered SEFs from any enforcement responsibilities under Commission Regulations 37.200(a), 37.200(b), 37.201(b)(1), 37.201(b)(3), 37.201(b)(5), 37.202(b) and 37.203 with respect to market participants trading on those SEFs. CFTC Press Release.