(a) Any lender of money, extender of other credit, or merchant making a sale of merchandise, goods, or services, or the assignee of the lender, extender of credit, or merchant who receives a check, draft, negotiable order of withdrawal, or like instrument drawn on a bank or other depository institution given by any person in full or partial repayment of a loan, other extension of credit, or a sale of merchandise, goods, or services may, if the instrument is not paid or is dishonored by the institution, charge and collect, through regular billing procedure or otherwise, from the borrower, person to whom the credit was extended, or from whom the instrument was received, a bad check charge of not more than the greater of either twenty-five dollars ($25) or an amount equal to the actual charge by the depository institution for the return of unpaid or dishonored instruments.

(b) Commencing January 1, 1999, the bad check charge in subsection (a) shall increase by one dollar ($1) per year through January 1, 2003, at which time the maximum bad check charge shall be thirty dollars ($30).

Charges imposed in connection with the dishonor of a negotiable instrument shall not be deemed interest finance or other charge made as an incident to or as a condition to the grant of the loan or other extension of credit and shall not be included in determining the limit on charges which may be made in connection with the loan or extension of credit as provided in this section or in any other law of this state.