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Maine DEP can now accept online credit card payments through a Credit Card Payment Portal. Please note: not all license types are available for electronic payment, the portal can only accept payments of $5,000 or less, and the servicer of the portal charges a $2 transaction fee. See the Payment Portal for more details.
All vendors are encouraged to use DEP-Invoices4Payment@maine.gov for invoice delivery. This e-mail address facilitates electronic delivery of your invoice, protects staff and ensures prompt payment.