United Kingdom - 2009 Party Finance Law

Part Schedule 4: Applications under Part 2
Title Schedule 4, Paragraph 3
Chapter Part 1: Application for registration
Section Headquarters
Article

Sch. 4.3

(1)An application must specify-
(a)the address of the party's headquarters, or.
(b)if the party has no headquarters, an address to which communications to the party may be sent.
(2)Where the party is a party with accounting units, any reference to the party in sub-paragraph (1) above is to be read as a reference to the central organisation.
Categories - Extra-parliamentary party (Registration reqs.)
Source http://www.legislation.gov.uk/ukpga/2000/41
-