I've received an invoice where the reservation was cancelled

You received an invoice and have a question? Here is what you need to do. | Booking.com for Partners

Message or Call BdC PartnerSupport

1. In the extranet, go to the ‘Inbox’ tab.
2. Select ‘Booking.com messages’.
3. Right Pane - Click on ‘See Contact Options’. 
4. Choose Account
5. Now choose Other
6. Then at bottom , See all contact options, and click Message or Call
7. As there is no one number for all partners, the number for your nearest BdC Partner Support is then revealed.

Kind regards