RLM: 830 / 862 Orders

Hi

We receive PO shedules ( 830/862 ) fro customers. We load them into Order Management via Release management module(RLM).

Question on UOM.

Some customers UOM would say EACH or PCE etc which does not necessarily match with our R12.1.3 OM setups.

Where do we do these UOM maps between customer UOM and our system.

Also when the ASN ( 856) sent to customer it shows their UOM.

In e-Commerce gateway "Define Code Conversion"values form is there.It's does not include customer.

what is the setup to achieve the UOM mapping from customers to our R12.1.3 item UOMs.

thanks