You can edit an existing preregistration by following the steps below:

1. Navigate to the Manage Ad Hoc Users tab on the menu banner. This may be named something unique to your company.

2. Click Preregistrations in the left-hand menu and search for the preregistration. Use the Filter options to refine your search results. This includes using the Search field to specify the preregistration's name.

3. Click Edit next to the preregistration you want to amend.

4. Once you've made your required changes, click Update to save.

Please Note: Should you need to delete a preregistration, you can do so by using the Delete button.