PART II. CRIMES

Chapter VII. Crimes of Harboring Criminals and Suppressing Evidence

Article 104. (Suppression of Evidence)

A person who suppresses, damages, counterfeits or alters evidence relating to a criminal case of another person, or who uses counterfeit or altered evidence, shall be punished by imprisonment with work for not more than 2 years or a fine of not more than 200,000 yen.

PART II. CRIMES

Chapter VII. Crimes of Harboring Criminals and Suppressing Evidence

Article 105-2. (Intimidation of Witnesses)

A person who, in relation to his/her own criminal case or the criminal case of another person, forcibly demands without justifiable grounds a meeting with any person or intimidates any person deemed to have knowledge necessary for investigation or trial of such case, or a relative of such person, shall be punished by imprisonment with work for not more than 1 year or a fine of not more than 200,000 yen.

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