Deferred installments.

A bank may at any time or from time to time permit a borrower to defer installment payments of a loan and may, in connection with such deferral, charge and collect, as interest, deferral charges and may also require payment by such borrower, as interest, of the additional cost to the bank of premiums for continuing in force, until the end of such period of deferral, any insurance coverage provided in connection with the loan pursuant to § 967 of this title.