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Phase 2d

​Last Updated: 10/07/2025

#StatusSummaryPosted DateSpec Publish  DateSpec Version Effective Date - TestEffective Date - Prod

1

Open

Add the following four additional error codes to ensure only one clientDetails and only one firmDetails, as applicable, are represented on a side of trade and fulfillment events.

  • 2273 buyDetails array exceeds the object limitation
  • 2274 sellDetails array exceeds the object limitation
  • 2275 clientDetails array exceeds the object limitation
  • 2276 firmDetails array exceeds the object limitation
7/3/20259/30/20254.1.0 r1011/3/202512/8/2025

2

NEW-Open 

Allow for the exchOriginCode field to be blank/null on MOMR and MLMR events when no value is communicated to exchange. This scenario is currently rejected under Error Code 2028. 10/7/20259/30/20254.1.0 r1011/3/202512/8/2025

 

Phase 2a/2b

​Last Updated: 01/11/2022

 #StatusSummaryPublish DateSpec Version
  N/A as of 01/11/2022  

 

Phase 2c

​Last Updated: 01/11/2022

#StatusSummaryPublish DateSpec Version
1OpenUpdate section 3.4 to clarify requirements for options prior to Phase 2d outlined in Scenario 3.7.3.N/AN/A
2OpenClarify description of solicitationFlag field to be consistent with new FAQ C8.N/AN/A

 

 

*Planned Technical Specification Updates are subject to approval by the CAT NMS Plan Operating Committee.