United Kingdom of Great Britain and Northern Ireland
Part 5 Offences under domestic law
England and Wales
54 Offences in relation to the ICC
(3) The corresponding domestic offences are—
(b) in relation to article 70.1(c) (interference with witness or evidence), an offence against section 51 of the Criminal Justice and Public Order Act 1994 (c. 33) or at common law;
EDIT.