The physical settlement transactions made on CEEGEX/HUDEX are subject to purchase price invoicing. (Futures transactions are not subject to purchase price invoicing provided they are closed before expiry.) As part of the central invoicing it operates KELER CCP issues all invoices in the name of the sellers, based on the mandate stated in the applicable agreement on invoicing. The invoice issued includes VAT corresponding to the VAT residence.

Invoices are issued and sent on the second settlement day after the subject month. Invoices are issued on a „fungible” basis.

In addition to the purchase price invoices KELER CCP issues fee invoices to the Clearing Members related to CEEGEX/HUDEX clearing. The fee invoices are issued until the fifth clearing day after the subject month at the latest; the invoiced amounts are collected from the Clearing Member accounts kept by KELER.