Verifies whether an external account is required and properly maintained for the incoming transaction.

The External Credit Approval Required is picked up from the External Customer Account Input (STDCRACC).

An EAC request XML is prepared that includes the details like a debit account, amount to be debited, and charge components with charge amount to be debited.

A record is logged in to the ECA Queue. The request is in ECA Queue with status as Pending till the final response (Accept / Reject / Seizure) is received.