United Kingdom - 1998 Party Law

Title Article 5 Emblems
Section Registration
Article

5

(1) A party's application under section 2 may include a request for the registration of up to three emblems to be used by the party on ballot papers.
(2) The registrar shall grant a request under this section in relation to an emblem unless in his opinion it -
(a) would be likely to be confused by voters with an emblem which is already registered for another party,
(b) is obscene or offensive,
(c) is of such a character that its publication would be likely to amount to the commission of an offence, or
(d) includes a word or expression prohibited under section 3(1)(f).
(3) A registered emblem shall be a black and white representation of the emblem shown in the application.

Categories - External oversight (Subject of monitoring)
- External oversight (Type of authority)
- Extra-parliamentary party (Registration reqs.)
Source http://www.legislation.gov.uk/ukpga/1998/48/enacted/data.pdf