Invoices & Accounts Receivables

General Payment Information

  • Online by credit card or E-check
    • http://business.deq.louisiana.gov
    • You will need your Invoice number and Agency Interest (AI) number to make payments online. Both numbers can be found in the top right information box on your invoice.
    • For step by step instruction on how to pay online please see our tutorial, How to Make Payments Online.
  • Check or Money Order
    • The bottom of the invoice is a tear-off coupon which should be mailed with your payment. Please do not submit a copy of the coupon as this will cause a delay in the posting of your payment. 
    • Please submit one check per invoice.  Please be sure to include the coupon. We also recommend you indicate which invoice you are paying on the check.
  • Late Payments - Payments not received by the department within 15 days of the due date will be charged a late payment fee. The late payment fees are a percentage of the annual fee as follows:
    • Payments received after 45 days from the invoice date . . . 5%
    • Payments received after 60 days from the invoice date . . . 10%
    • Payments received after 90 days from the invoice date . . . 15%

Invoice Frequently Asked Questions

FAQ for all invoices by type

Frequently Requested Forms