Invoice/Bill rule creating multiple incorrect invoices on Action “Invoice Adjustment cost”

Summary:

Invoice/Bill rule creating multiple incorrect invoices on Action “Invoice Adjustment cost”.

Content (please ensure you mask any confidential information):

In OTM, System has Invoice rule based on the currency. So, if shipment has multiple currency OTM should create multiple invoices. If shipment has already approved invoices and cost gets changed, Invoice Adjustment cost action (with Invoice rule) creating multiple invoices. Without Invoice rule cost gets adjusted correctly on new invoice/existing invoice. It is affecting on both single currency and multi- currency shipments.

Issues:

Unnecessary multiple invoices.

0 Cost invoices 

Shipment actual cost and Invoice matched cost is not in sync.