The most important reason to oppose the Internet tax commission's report "is that it would substantially interfere with state sovereignty," the governors wrote.

State laws and regulations cannot substantially interfere with an authorized federal program, except for minor or indirect regulation, such as state taxation of federal employees.

The court found both that the legislation interfered substantially with fundamental collective bargaining rights.

Students do not have the right to interfere substantially with school activities, but Mr. Frederick did not do that.

Vellacott claimed the policy change "substantially interferes with the right of religious and education leaders to communicate essential matters of faith".

(1969) that only when speech "materially and substantially interferes with the requirements of appropriate discipline in the operation of the school".

The Court ruled in this case that legislation that "substantially interferes" with the process of collective bargaining is a s.2(d) infringement.

The trespass to chattels tort punishes anyone who substantially interferes with the use of another's personal property, or chattels.

Harassment is not only illegal, but it substantially interferes with the discharge of a federal employee's duties .

The court also said, "The First Amendment must yield when protected speech substantially interferes with the normal functioning of a public or private place."