User Help System
Market Data Session / Order Session Tag 97-PossResend Verification Test
The purpose of this test is to confirm client submitted messages do not contain tag 97-PossResend, a standard header message that indicates that the message is a possible resend of a previously transmitted message.
For the initial EBS Direct Taker API certification period:
- AutoCert+ test cases will appear in read-only format.
- To complete Interview responses and Tests, users must contact Certification Support for Electronic Trading (CSET)
- To select the Test:
- Select a Identifier from the drop-down and select ASSIGN if not already assigned.
- From the Test Suite tab, select the linked test.
- Click the START TEST button.
Note:DO NOT select the START TEST button once the test is in progress.
If a test is not proceeding to the next step, clicking the Refresh button (
) below the test steps may resolve the issue.
CME Group will verify client submitted messages and reply with additional information to resolve issues (if applicable).
Note: This test is used for both Market Data or Order Session Test formats. The above image shows the Market Data format version of the test.


