When selecting a VAT rate Proclaim uses this as input and output unless you select the below option:
From the General Postings select a BPO/AD/PIO transaction.
Click on NEW.
Put in the relevant matter and all the details required for the disbursement.
In the value put either in the Gross or Net the value you want to add VAT to.
Pick in the box VAT only when Billing the YES option.
Click on the Floppy Disk icon to save.
Select POST at the bottom when all transactions are done for the batch.