An Act amending the "Banking Code of 1965," approved November 30, 1965 (P. L. 847, No. 356), further providing for investment in fixed assets, purchase of acceptances, competing regulated lenders, deposits in savings banks, *** placing restrictions against a trust company holding its own stock; permitting a restricted number of trustees of a savings bank to serve as directors of trust companies; deleting certain restrictions on loans; and permitting conversion of mutual savings banks into stock savings banks.