We don't have a specific time-frame yet, ADVLOGS.

Meantime, you can add an account and item to track customer conveniences fees. Let me walk you through how.

1. From the Accounting, select Chart of Accounts.
2. Click New. Then, choose "Income" under Account Type.
3. Choose "Service/Fee Income" under Detail Type. Then, enter a Name.
4. Click Save and Close.

After that, create a service item following these steps.

1. Click Gear. Click Products and Services.
2. Click New, then click Service.
3. Enter the product/service information and choose the Income Account you created.
4. Click Save and close.

Once done, add the service item as a new line item to your transaction. Just open the invoice and select the Convenience Fee item. Enter the amount and then Save and close. 

For more details on how to manage credit card payments, you can look into these references: 

• A quick guide to Credit Card processing
• Accepting payments
• Choose where to record payments and processing fees for QuickBooks Payments

Always know the Community is here if you need anything else. You take care always!