(2) A loan may exceed the limitations prescribed in subsection (1) of this section if the borrower furnishes the savings bank with a copy of an agreement entered into with a financially responsible person wherein the person agrees to refinance or repurchase, without recourse, the entire loan:
(a) Upon completion of the construction, if the loan is a construction loan; or
(b) Within six months from the date of the loan, if the loan is not a construction loan. [Formerly 716.500]