As an Admissions Manager:
  1. Navigate to onBoard.
  2. Select Settings > Application.
  3. Click Block Settings on your Household block.
  4. Toggle Yes/No for "Allow Add Another."
  5. Click Save.

User-added image

Note: Once an application is in use, fields - including Block Settings, will be locked down and unable to be changed. If you need to make changes to an application, you can Copy the application, make the necessary changes, adn set this as your active application.