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You can book non-credit loss adjustments for AFS securities that have a regulatory intent of Not Likely Required to Sell.
About Event Priority for Asset-Level ECL Events
In Eagle Accounting every event has an event priority which tells the system in what order to process events when rollback replay occurs. The event priority for Asset-Level Expected Credit Loss events ensures that ECL events are processed subsequent to any open and close transactions that occur on the same trading day with the exception of Impairments. This ensures more accurate ECL processing because the calculation for ECL is typically based on the end of day position of the underlying asset. For more information, see About Event Types and Event Priorities.