CFR > Title 31 - Money and Finance: Treasury > SUBTITLE B—Regulations Relating to Money and Finance > CHAPTER X—FINANCIAL CRIMES ENFORCEMENT NETWORK, DEPARTMENT OF THE TREASURY (parts 1000 to 1029) > PART 1023—RULES FOR BROKERS OR DEALERS IN SECURITIES > SUBPART E—Special Information Sharing Procedures To Deter Money Laundering and Terrorist Activity (§1023.500 to §1023.540) > 1023.520—Special information sharing procedures to deter money laundering and terrorist activity for brokers or dealers in securities.