Idaho Code § 18-1308: Offenses relating to bribery — Incriminating testimony may be required.

No person shall be excused from testifying or producing documents, at the instance of the state, in any criminal cause or proceeding touching any offense relating to bribery, on the ground that the testimony required of him may incriminate him. But no person shall be prosecuted or punished on account of any transaction, manner or thing concerning which he may be so required to testify or produce evidence: provided, that no person so testifying shall be exempt from prosecution and punishment for perjury in so testifying.