1. From the selected site, click on the METERS tab and click on the meter
  2. From the meter summary page, click the 'Edit' button to display the meter definition page
  3. From the meter definition page, scroll down to the 'ADDITIONAL METER INFO (OPTIONAL)' section
  4. Click 'ADDITIONAL METER INFO (OPTIONAL)' to expand the section
  5. Select the Purchaser from the drop down menu
  6. Click the 'Save Changes' button to save your changes

Note: The default value is 'Not specified.'