United Kingdom - 2000 Party Finance Law

Part Schedule 4 Applications under Part II
Title Schedule 4, Paragraph 9
Chapter Part II Application for alteration of entry
Section Signature
Article

Sch. 4.9

(1)Subject to sub-paragraph (3), an application must be signed by the responsible officers of the party.
(2)For the purposes of this paragraph "the responsible officers" are-
(a)the registered leader;
(b)the registered nominating officer;
(c)the registered treasurer;
(d)where the leader, the nominating officer and the treasurer are the same person, any other registered officer.
(3)If any responsible officer is unable to sign an application-
(a)the holder of some other office in the party may sign in his place, and
(b)the application must include a statement of the reason why the responsible officer is unable to sign and a declaration that the holder of the other office is authorised to sign in his place.

Categories - Extra-parliamentary party (Registration reqs.)
Source http://legislation.data.gov.uk/ukpga/2000/41/enacted/data.htm?wrap=true