On February 4th, the SEC granted immediate effectiveness to the Chicago Board Options Exchange's proposed amendment of Rule 8.85 and Rule 8.92 to eliminate the requirement that a designated primary market maker (DPM) organization and an e-DPM organization own at least one CBOE membership. Instead, each DPM organization and each e-DPM organization will be required to own or lease such number of memberships as may be necessary based on the aggregate "appointment cost" for the classes allocated to the DPM organization or e-DPM organization. Comments should be submitted on or before March 3rd, 2010. SEC Release No. 34-61494.