Most important, it bars new or higher taxes without a three-fifths majority vote.
Britain leased the island to the United States and in 1971 barred anyone without a permit from entering.
One legislative proposal would bar those without medical symptoms from suing while increasing the amount that could be paid to those already afflicted.
For years, the agency barred solicitations on its property without permission.
That, officials say, will bar the use of coal without carbon capture and storage, a technology still in its infancy.
He scoffed at criticism that it would bar teams without timeouts from making a late-game challenge.
For its part, Congress in 1971 barred executive detention without explicit statutory authorization - but applied the prohibition only to citizens.
He would bar them without further ado.
And he barred people without business before the board from attending.
Federal officials could bar grazing during a drought without bankrupting ranchers.