Access to this section of our website is reserved for clients who have requested our portal services. This secure extension of our website allows for faster, more convenient communication and document exchange. If you have a current account with us, please log in. If you'd like to learn more about this service, please Contact Us.   Entity Tax-Form OP-424 To avoid rush to file and pay for the Form OP-424, Entity Tax, we will start filing and paying from February 01 every year for most clients with the payment date authorized for 04/15/XXXX. Please let us know before you plan to file and pay this form at our main Telephone No: 860-430-5875 Thank You,