Does 3PL billing include or exclude VAT in the charges?
Anything except for the order itself is assumed ex-VAT. This includes Rework Items, Additional Invoice Items, Storage etc.
Only the VAT applied on the Order Items and overall order itself is charged VAT.
Do storage costs automatically invoice?
To ensure storage costs are invoiced automatically, please enable Automatic Invoicing within the Customer Account Settings:
Click Settings then Customer Account Settings.
Click the Automation tab.
Enable Auto Invoice (Despatched Orders, Booked ASNs, Booked Collections & Confirmed Returns).
Click Save.