§ 709. Punitive provision. Any person who shall wilfully resist,
prevent, impede, or interfere with any member of the board or any of its
agents or agencies in the performance of duties pursuant to this
article, or who shall in any manner interfere with the free exercise by
employees of their right to select representatives in an election
directed by the board pursuant to section seven hundred and five, shall
be punished by a fine of not more than five thousand dollars or by
imprisonment for not more than one year, or both.