If you wish to change or edit the MMTBlack/goTribe offers or the blackout dates, you can edit the promotion and benefits using the below steps: 

Start by logging to your InGo-MMT Extranet account.

Step 1: Navigate to "Grow Your Business" and click on the "Black / goTribe" tab. 

Step 2: Click on 'Edit Promotions and Benefits' to tweak your offers. 

Similarly, add or edit the blackout dates as per the requirements.

Step 3: Once satisfied, save your changes.