Hi,
It all depends on your requirements. You can have multiple versions and even multiple AVC ledgers checking against these versions. But if you say, that you have normal pre-defined AVC ledgers (9I, 9H), I see no reason why they would check against version, which is not the actual one (version 0). After all, version 0 is supposed to contain final budget version.
You can still keep the versions if you need to follow budget evolution and your client has a requirement for this, but AVC will work against version 0.
Regards,
Eli