Crimes Against Humanity and War Crimes Act 2000
18. Every person is guilty of an indictable offence and is liable to imprisonment for a term of not more than 14 years who
(a) being a judge or an official of the International Criminal Court, corruptly accepts, obtains, agrees to accept or attempts to obtain for themselves or any other person any money, valuable consideration, office, place or employment
(i) in respect of anything done or omitted or to be done or omitted by them in their official capacity, or
(ii) with intent to interfere in any other way with the administration of justice of the International Criminal Court; or
(b) gives or offers, corruptly, to a judge or an official of the International Criminal Court, any money, valuable consideration, office, place or employment
(i) in respect of anything done or omitted or to be done or omitted by them in their official capacity, or
(ii) with intent to interfere in any other way with the administration of justice of the International Criminal Court.
National penalties - maximum penalty
EDIT.