SLA rule for AR Receipt gain/loss based on receivable account on receipt application

Summary:

We have a scenerio where it is required to post realised gain/loss amounts in different accounts based on the AR Receipt receivable account is offsetting from transaction application

For example:

the default realised gain/loss account is 534001

If the liability account from the payment accounting entries is 140001 then the realised gain/loss account should be mapped to 534003 instead

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