Despite the enactment of this Act, a guarantee or indemnity given by the Treasurer before the commencement of this Part in respect of—
(a) the performance, satisfaction or discharge of obligations or liabilities of the State Bank or a related corporation under an instrument issued or entered into by the State Bank or a related corporation before the commencement of this Part and referred to in Part B of Schedule 2; or
(b) any other instrument so issued or entered into and declared in writing by the Treasurer to be an instrument to which this section applies—
continues as a like guarantee or indemnity.