Liability Account on Intercompany AP Invoice

Summary:

Can you help me understand logic for AP Liability account derivation for a manually created Intercompany Invoice. We have configured Intercompany Customer Supplier association and are trying to record an AP Invoice between 2 intercompany entities. Transaction is between LE1 & LE2. We have defined below rules

1. LE rule - LE 1 to LE2 , All Sources, All Category
2. LE Rule - LE 1 to All others, All Sources, All Category
3. BSV Rule - LE1 to LE2, BSV1 to All Other BSVs, All Source, All Category
4. BSV Rule - LE1 to LE2, BSV1 to BSV2, All Source, All Cateogy
5. BSV Rule - LE1 to All other LEs, BSV1 to All Others, All Source, All Category