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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.


Annual Memberships for 2019 are in the process of going out. Due to high volume of calls please email accounting@istc.net in regards to your account.

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