The limitations prescribed by this article shall apply to actions brought in the name of the State or for its benefit in the same manner as to actions by private parties; provided, however, that limitations against claims for charges for care, training, maintenance or treatment received by any patient or trainee from the South Carolina State Hospital, any State training school, or any State mental health facility, shall commence to run against the State, its boards, commissions or agencies charged with the operation of the above institutions only from the last date upon which care, training, maintenance or treatment was furnished to any such patient or trainee.