In relation to the Detailed Contract Status (when changing the status of the Target Contract), a newly added field (for the Detailed Contract Statuses table, see Detailní stavy smluv ) Generate VAT Credit Memo - Delivery of Goods on Status Change = Yes, The wizard generates a calculation input for the balance of the tax liability (if the contract has Leasing with delivery of goods = Yes).
Then, when transferring a change copy with a changed status, it generates and posts a tax document - a credit note for this balance.
The wizard is described here Změna stavu smlouvy