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—
(a) in relation to article 70.1(a) (giving false testimony when under an obligation to tell the truth), an offence against section 1(1) of the Perjury Act 1911 (c. 6);
EDIT.