Go to Chart of Setup from the Employer / Setup drop down menu and click the 'Small Employer's Relief Setup' link under the 'Payrun Customisation' section. Now click on the Edit button. Set whether you are eligible for Small Employer Relief by selecting the “Yes / No” option from the drop down on this screen. Click the Save button to save the changes you made.

Road Map - Edit Small Employer's Relief Setup Employer/Setup -> Chart of Setup -> Payrun Customisation -> Small Employer's Relief Setup Link -> Edit button ( 'Employer/Setup' is the button positioned in the tasking zone menu at the top. It is the first button from the left)