This subchapter shall not be deemed to prohibit a bank, in connection with a loan to other than an individual borrower, from:
(1) Extending or deferring the scheduled payment of all or any portion of any installment or installments payable under such loan;
(2) Permitting prepayment or refinancing of such loan in whole or in part;
(3) Charging and collecting any charges in connection with the matters referred to in subdivisions (1) and (2) of this section; or
(4) Charging and collecting late or delinquency charges, attorneys' fees or collection charges.