Hello Ankit,
You can control outbound PAN message by using validation checks.
Here is the BADI to enhance behaviour of the validation profiles:
If you can not find a workaround in here then you can stop channel for PAN_Out messages. I'm also sharing you the below BADI to take actions for PAN_Out:
Kindly have a look at below help link to PAN validation controls:
Validation in the Data Import Controller - Validation - SAP Library
Validation in the Data Import Controller - Validation - SAP Library
Let me know if you require additional help...
Regards,
Selim Batur