1. https://www.ftb.ca.gov/pay/bank-account/index.asp
  2. Select USE WEBPAY BUSINESS
  3. Select Entity Type
    1. Corporation
  4. Enter Entity ID
    1. This is your California Entity ID, NOT your Federal EIN
  5. Enter your Name
  6. Enter the Form Number
    1. Corporations: Form 100, 100S, 100W, or 100 X
  7. For Payment Type, choose Estimated Tax Payment (Form 100ES)
  8. For Period, identify the period the payment covers, usually Jan 1 to Dec 31 of tax year, for 2024:
    1. Period Beginning Date: Jan 1, 2024
    2. Period End Date: Dec 31, 2024
  9. Click Add an estimated tax payment
  10. Enter the Payment Amount
  11. Enter the Payment Date
  12. Click Continue to go back to the previous screen
  13. Click Continue
  14. Ender your Bank Information
  15. Click Submit
  16. Verify all your information
  17. Enter in your email address & phone number
  18. Click Submit
  19. Save copy of confirmation for your records