What is Form 540A?
Henry Morales
Published Feb 12, 2026
Tax. Forms. Form 540A. Personal Individual Income Tax Return for California Residents. California publishes all of its state income tax forms in Adobe Acrobat.
How do I fill out a California Form 540?
Filling in Your Tax Return Use black or blue ink on the tax return you send to the FTB. Enter your social security number(s) (SSN) or individual taxpayer identification number(s) (ITIN) at the top of Form 540, Side 1. Print numbers and CAPITAL LETTERS between the combed lines. Be sure to line up dollar amounts.
What is California adjusted income?
Adjusted Gross Income is simply your total gross income minus specific deductions. Additionally, your Adjusted Gross Income is the starting point for calculating your taxes and determining your eligibility for certain tax credits and deductions that you can use to help you lower your overall tax bill.
Which CA tax form should I use?
Common California Income Tax Forms & Instructions The most common California income tax form is the CA 540. This form is used by California residents who file an individual income tax return. This form should be completed after filing your federal taxes, using Form 1040.
Forms. Form 540A. Personal Individual Income Tax Return for California Residents.
Where to send Form 540 for California resident?
When filing Form 540, you must send all five sides to the Franchise Tax Board (FTB). If you need to amend your California resident income tax return, complete an amended Form 540 and check the box at the top of Form 540 indicating AMENDED return.
How to Claim Form 540 personal income tax?
See Form 540, line 18 instructions and worksheets for the amount of standard deduction or itemized deductions you can claim. Go to ftb.ca.gov and login or register for MyFTB to verify withheld amount or see instructions for line 71 of Form 540. Confirm only California income tax withheld is claimed.
When to file a 1099 tax return in California?
You received Form 1099-S that reports proceeds from the sale or exchange of real estate. Report your income when you file your federal return. Begin your California return with your federal taxable income and include any state adjustments. You can exclude qualified foster care payments from your gross income if you’re paid by one the following:
What are the instructions for the California tax form?
The instructions provided with California tax forms are a summary of California tax law and are only intended to aid taxpayers in preparing their state income tax returns. We include information that is most useful to the greatest number of taxpayers in the limited space available.