Subledger restrictions on PO entry possible?


Active Member
When entering POs our users have to select a non stock item, some of which need sub ledgers, some don't. Some need Address Book and some Sales Numbers.

Is there any way to restrict what Sub-Ledgers are used?

What we would like is for the sub ledger to be greyed out if they shouldn't enter one or the correct subledger type and search criteria entered if they should. eg - if tthey should enter an employee number in the subledger the SBLT should be populated with 'A' and when they search for subledgers the Address book search should be for ABAT1='E' only.

Is this possible without customisation? If so, how?
If not, has anyone got any advice on the best way of doing it?

Many thanks