The Securities and Exchange Commission is seeking comments on a December 31 proposal by the Chicago Board Options Exchange (CBOE) to adjust certain access fees charged to temporary members. The proposal, which went into effect on January 1, adjusts the monthly access fee for persons granted temporary CBOE membership status and for Interim Trading Permit holders. The CBOE may, and likely will, further adjust access fees in the future if the CBOE determines that it would be appropriate to do so, taking into consideration lease rates for transferable CBOE memberships prevailing at that time.  

http://www.cboe.org/Legal/  

http://www.sec.gov/rules/sro/cboe/2009/34-59213.pdf