Section 141.37 - Prepayment(a) Subject to the provisions of paragraph (b) of this section, the pledgor may prepay in full or in any part the unpaid balance of a loan at any time without penalty.(b) When a loan is prepaid the lender may collect the earned portion of the finance charge or may charge an administrative fee not to exceed ten percent (10 percent) of the unearned finance charge or two dollars ($2) whichever is greater.