licensing law

:  permission to act

:  freedom of action

:  a permission granted by competent authority to engage in a business or occupation or in an activity otherwise unlawful

:  to issue a license to

:  to permit or authorize especially by formal license

:  to give permission or consent to :  allow

:  a binding custom or practice of a community :  a rule of conduct or action prescribed (see prescribe 1a) or formally recognized as binding or enforced by a controlling authority

:  the whole body of such customs, practices, or rules

:  common law

:  litigate

:  to sue or prosecute at law