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

Poland

The Penal Code

SPECIAL PART

Chapter XXX. Offences against the Administration of Justice

Article 245. Whoever uses violence or unlawful threat with a purpose of influencing a witness, expert witness, translator prosecutor or the accused or consequently breaches personal inviolability of such a person
shall be subject to the penalty of deprivation of liberty for a term of between 3 months and 5 years.

Rome Statute

Article 70 Offences against the administration of justice

1. The Court shall have jurisdiction over the following offences against its administration of justice when committed intentionally:

(c) 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;