1. https://www.ftb.ca.gov/pay/bank-account/index.asp
2. Select USE WEBPAY PERSONAL
3. Put in your SSN and last name
4. Enter name and address information
5. Choose ESTIMATED TAX PAYMENT (form 540-ES)
6. Choose TAX YEAR 2024, payment amount, and the date you want.
   1. NOTE: You only mark "Is this a joint tax payment?" as "yes" if you are married.
7. Don't click continue yet. Click the button in the middle of the screen that says "Add an estimated Tax Payment"
8. Put in the date you want to pay and the dollar amount
9. This brings you back to the main screen. Now click CONTINUE.
10. Enter payment information
11. Finalize
12. Save copy of confirmation for your records