United Kingdom - 2009 Party Finance Law

Part Part 7: Referendums
Title Section 113: Restriction on incurring referendum expenses
Chapter Chapter 2: Financial controls
Section General restrictions relating to referendum expenses incurred by permitted participants
Article

113

(1)No amount of referendum expenses shall be incurred by or on behalf of a permitted participant unless it is incurred with the authority of-
(a)the responsible person; or
(b)a person authorised in writing by the responsible person.
(2)A person commits an offence if, without reasonable excuse, he incurs any expenses in contravention of subsection (1).
(3)Where, in the case of a permitted participant that is a registered party, any expenses are incurred in contravention of subsection (1), the expenses shall not count for the purposes of sections 117 to 123 or Schedule 14 as referendum expenses incurred by or on behalf of the permitted participant.

Categories - Party finance (Expenditures)
Source http://www.legislation.gov.uk/ukpga/2000/41