This agreement is to remain in full force and effect until ARIZONA FUEL and BANK receive written notification of termination from COMPANY, and in no event termination be effective with respect to debit entries originated prior to ARIZONA FUEL 'S receipt of notice of termination. This agreement shall be governed by the NACHA Operating Rules in effect from time to time. The COMPANY understands that debit entries will be honored if sufficient funds are available in the COMPANY'S account. In the event a debit entry is returned to ARIZONA FUEL uncollected,the gross amount of the invoice or invoices covered by it will be immediately due and payable along with any associated finance and bank charges, and further participation in this Plan, at the option of ARIZONA FUEL, may be terminated. Future purchases, if the plan is terminated, will then be on terms as approved by ARIZONA FUEL. In the event any error in billing, invoicing or pricing occurs, ARIZONA FUEL will promptly make the correction. ARIZONA FUEL reserves the right to cancel this program at any time by written notice to the company.