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Please contact our accounting department at accounting@istc.net or (409)724-2565 option 3 for any questions or concerns regarding your account.

FYI, before making payment, please print the invoice(s) as once you make payment, they are no longer available to view or print.

To see all open invoices, please do not use the Date boxes at this time. We apologize for any inconvenience this has caused. At this time we are experiencing some technical issues with Account Central and the date boxes.

ISTC Subscriber price has increased to flat rate of $300.00 effective January 1, 2020. ISTC will invoice all clients by January 31, 2020. For any questions, please email accounting@istc.net


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