304. Definitions
For purposes of this Part—
“seditious assembly” is an assembly of 5 or more persons with a seditious purpose, or at which any seditious libel is published, or at which any speeches are made with a seditious purpose;
“seditious libel” is the publication, by any such art as is specified in the provisions of this Part with respect to libel as amounting to publication of a libel, or of any matter with a seditious purpose;
“seditious purpose” means a purpose to excite any of Her Majesty's subjects to obtain by force or other unlawful means an alteration in the laws or in the form of government or to commit any offence under sections 306 to 308.