Disorderly Houses Act, 1751

The theatres and other places licensed by the crown or lord chamberlain excepted out of this Act.

4. Provided always, that nothing in this Act contained shall extend or be construed to extend to the theatres royal in Drury Lane and Covent Garden, or the theatre commonly called the King's Theatre, in the Haymarket, or any of them, nor to such performances and publick entertainments as are or shall be lawfully exercised and carried on under or by virtue of letters patents or licence of the crown, or the licence of the lord chamberlain of his Majesty's household, anything herein contained notwithstanding.