The ERPs are parameterized to comply with the regulation.All the new complex flows are subject to SBS validation (RtR and OtC)For a new flow :
If there is a similar flow already sets up in the ERP, existing rules will apply.
In case of a new scheme, this procedure will apply.
Is defined as complex flow:
Any physical flow different from the flow of invoicing
Any flow involving an intermediate storage, a bounded warehouse, a consignment stock or a tolling
Any flow using different VAT registration numbers

When the BUs inform CTC about the implementation of a new flow, the analyze is done to determine if it is a new complex flow or not.
CTC analyses the flow gives advises from a VAT compliance point of view
The customization of the flow in the ERP is done by CSPS by creating freshdesk tickets to IS team.
The internal control related to this procedure is : FTX.CTS.01.01 VAT regime determination process