23. Every person who, wrongfully and without lawful authority, for the purpose of compelling another person to abstain from doing anything that the person has a lawful right to do, or to do anything that the person has a lawful right to abstain from doing, in relation to a proceeding of the International Criminal Court, causes the person reasonably, in all the circumstances, to fear for their safety or the safety of anyone known to them
(a) is guilty of an indictable offence and liable to imprisonment for a term of not
more than five years; or
(b) is guilty of an offence punishable on summary conviction.
Corruptly influencing a witness, obstructing or interfering with the attendance or testimony of a witness, retaliating against a witness for giving testimony or destroying, tampering with or interfering with the collection of evidence
Impeding, intimidating or corruptly influencing an official of the Court
National penalties - maximum penalty
EDIT.