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U.S. Consolidated Audit Trail Clock Synchronization Notice

Date 14/03/2019

As previously communicated, Industry Members must complete an annual certification for Business Clock Synchronization by March 15th of each year. A reminder notification can also be found on the CAT NMS Plan website via this link. The national securities exchanges and Financial Industry Regulatory Authority, Inc. (“FINRA”) previously issued a Consolidated Audit Trail (“CAT”) notice regarding clock synchronization, including information on the Business Clock synchronization requirement, synchronization procedures, violation reporting, and annual certifications which is available via this link. A clock synchronization certification form is available via this link.

 Additional Information

As part of the Plan Processor transition previously announced, on February 13th, 2019, the CAT Helpdesk will transition to CAT NMS, LLC. During the transition period, industry questions may be submitted to for SRO tracking and resolution. Phone helpdesk services with the new Plan Processor will restored at a future date.

Industry Members are also reminded to visit for additional information, such as FAQs and industry webcasts, and updates regarding the status of the CAT.