If you need to update or change the email address associated with your Sprintax Calculus account, please reach out to us by sending an email to iie@sprintax.com. Our team will carefully review the information you provide and assist you with the necessary steps to update your account details.
❗It is very important that you include your IIE ID number, which begins with PS00, in your email. This information helps us verify your identity and process your request more efficiently.