Auto Invoice - Importing credit notes before invoices

 All,

I have read some where that if there are credit notes and invoices in the same batch, Autoinvoice should process credit notes first and then invoices.

Is this true ? and I am looking for some documentation to support this.

Requirement:

A) Commitment invoice number 'DEP1' for  £100

Autoinvoice (Run 1) – We have only one invoice referencing to the above created commitment. Autoinvoice imports invoice number 'INV1' adjusting against the commitment invoice 'DEP1' for £100.

C) Autoinvoice (Run 2) - we have two transactions i.e. credit note against 'INV1'  for full value and a new invoice 'INV2' with reference to same commitment invoice 'DEP1' for £100