USM allows you to assign a fee structure to a class with its Fee Structure Module, which is accessible via Menu Bar on the top right of the dashboard screen. 

Step 1. Click on the Fee Module under the Menu Bar.

Step 2. Click on Fee Structure Class Assignment option from the left sidebar. 

Step 3. Click on Assign Fee Structure option on the top right of the screen. 

Step 4. Select the class you want to assign the Fee Structure to, by selecting the Academic Session and the Course from the dropdown menus.

Step 5. After selecting the class, select all the fee structures you want to assign to the class and click on Assign option at the end of the dashboard.