Theatres Act 1968
Since 1737 , scripts had been licensed for performance by the Lord Chamberlain's Office ( under the Theatres Act 1843 , a continuation of the Licensing Act 1737 ) a measure initially introduced to protect Robert Walpole's administration from political satire . 
<triplet> Theatres Act 1843 <subj> 1843 <obj> point in time <triplet> Licensing Act 1737 <subj> 1737 <obj> publication date <subj> 1737 <obj> publication date