If you already have and account, click on the Login button, Enter you STIN or Phone Number or Email, Enter your password in the Password text box and click Login. If you don't have an account, you need to create an account either as an Individual or as an Incorporated Body;
(a) To register as an Individual, click on "REGISTER HERE" button, you will be redirected to the registration page, Click on 'Click Me for Individual Payer Registration' type your phone number in the phone number text box provided and click on search, if you are not previously registered, a registration form will be displayed for you to fill, fill the form and click on 'Register' at the bottom of the form, an activation link containing instruction on how to create a new access password will be sent to your registered email.
(b) To register as an Incorporated Body, click on "REGISTER HERE" button, you will be redirected to the registration page, Click on 'Click Me for Individual for Corporate Payer Registration' type your CAC number in the CAC number text box and click on search, if you are not previously registered, a registration form will be displayed for you to fill, Fill the form and click on 'Register' at the bottom of the form, an activation link containing instruction on how to create a new access password will be sent to your registered email.

S-TIN is a Unique State Tax Identification Number, Every Payer is issued a S-TIN on successful registration.

Visit the State Internal Revenue Service Website click on Info at the top and click on Info-Center, Click on "Search Organization S-TIN" enter your organization name in the search box and click on submit, copy your organization Tin from the list if it's found in the list,

This means you are yet to be registered, please check How 'Do I login in the?' at the FAQ

Click on Login button, click on Get Password, enter your S-TIN click on Get Password, a password activation link will be sent to your registered email, if provided during successful registration.

Visit any nearest Revenue Office to update your information, or send us an email(check information section at the bottom for the email our email address) containing
a. Full Name
b. Functional contact email address
c. Phone Number
d. i. Street Number ii. Street Name iii. Local Government.
e. Nature of Business using 'REQUEST FOR REGISTRATION UPDATE' As subject o the email

Click on Login button, click on forget password, enter your registered email and click on Reset Password, a password reset link will be sent to your registered email.

You can do the following on the Self Service Portal:
-You can file your PAYE Annual Return.
-You can File PAYE Monthly Schedule
- You Can File Form A Returns
-You can File both Annual and Monthly Withholding Tax Returns
-You can view your Assessment history.
-You can view your Payment history.
-You can view TCC Report