Business Type, Regulatory Authority, and Regulatory Authorization Type are three items that require set up to configure a License Authorization. License Authorization is a feature of Public Sector Solutions that can help public sector agencies to manage licenses and permits for different types of businesses and activities.
Business Type is a custom metadata type that can define different categories of businesses, such as restaurants or salons. Regulatory Authority is a custom metadata type that can define different entities that issue licenses or permits, such as city or county governments. Regulatory Authorization Type is a custom metadata type that can define different types of licenses or permits, such as food service license or liquor license. Reference:
https://help.salesforce.com/s/articleView?id=psc_admin_setup_license_authorization.
htm&type=5&language=en_US