1. The rights of a school or assignee of a school as holder of an instrument, account, contract, right, agreement, chattel paper or other writing, other than a check or draft, received by the school in payment of tuition or other charges, whether sold, transferred, assigned or endorsed before or after the obligor has completed the course of instruction, shall be subject to any and all defenses and setoffs available to the obligor, notwithstanding any agreement to the contrary. The preceding sentence shall not apply to payment of tuition or other charges by credit card transaction on a credit card issued by an issuer other than the school.
2. The definitions in articles 1, 3 and 9 of chapter 400 are applicable to subsection 1.