Upon any investigation before the attorney-general or his deputy or other officer designated by him, or in any criminal proceeding before any court or grand jury, pursuant to or for a violation of any of the provisions of this article, the attorney-general, his deputy or other officer designated by him, or the court or grand jury, may confer immunity in accordance with the provisions of section 50.20 or 190.40 of the criminal procedure law.
New York Legal Code