Notwithstanding any provision contained in section 31-236, no apprentice duly registered as such with the state who is unemployed due to a labor dispute between his employer and journeymen who are engaged in the same craft or trade as the apprentice shall be disqualified from receiving benefits under this chapter if he is available for work, and he shall not be participating in or financing or directly interested in the labor dispute or belong to a trade, class or organization of workers, members of which, immediately before the commencement of the labor dispute, were employed at the premises at which the labor dispute occurred and are participating in or financing or directly interested in the labor dispute.