Here are the instructions I was given...hope this helps:
Customer Service
Dear partner, If you already received an invoice and you want to dispute the commission fee, please follow the steps below; 1. Log in to the Extranet and click the Finance tab. 2. Select Reservation Statements. 3. Under the Dispute column, check the box for the reservation(s) you want to dispute, and a blue Dispute X reservation(s) button will appear. 4. Click the blue Dispute X reservation(s) button and enter the actual amount of revenue received, then select a reason for the dispute and write an explanation. 5. Click the Send message button. You'll get an update on the status of the request in your Inbox in the next 48 business hours If you have any questions, we are here for you. -- John Booking.com Customer Service Team
Here are the instructions I was given...hope this helps:
Customer Service
Dear partner, If you already received an invoice and you want to dispute the commission fee, please follow the steps below; 1. Log in to the Extranet and click the Finance tab. 2. Select Reservation Statements. 3. Under the Dispute column, check the box for the reservation(s) you want to dispute, and a blue Dispute X reservation(s) button will appear. 4. Click the blue Dispute X reservation(s) button and enter the actual amount of revenue received, then select a reason for the dispute and write an explanation. 5. Click the Send message button. You'll get an update on the status of the request in your Inbox in the next 48 business hours If you have any questions, we are here for you. -- John Booking.com Customer Service Team
It was suggested to me to go into the Reservation Statement and click the dispute button associated with that reservation.