California Form FTB 3520-PIT is the Individual or Fiduciary Power of Attorney Declaration that lets a California taxpayer or fiduciary authorize another person to represent them before the Franchise Tax Board on personal income tax and fiduciary income tax matters. Without this signed declaration on file, the FTB cannot legally discuss your account, accept documents from your representative, or honor any verbal request your tax professional makes on your behalf.
The current revision is the 2024 version (Rev. 12-2024), and using an older revision is the single fastest way to get your declaration rejected. The FTB processes more than 400,000 power of attorney declarations each year, and internal agency reports show that roughly 1 in 5 are returned for missing signatures, expired representative credentials, or mismatched taxpayer identification numbers under California Revenue and Taxation Code §19006.
Here is what this guide gives you:
- 📋 A line-by-line walkthrough of every part, box, and signature block on Form FTB 3520-PIT
- 👥 Three real-world filer scenarios (audit defense, deceased spouse, sole proprietor) with full sample entries
- 🛡️ The exact mistakes that trigger rejection and how to avoid them on the first submission
- 📤 Step-by-step filing through MyFTB upload, fax, and mail with addresses, processing times, and proof of filing
- ❓ Twelve plain-English FAQs that resolve the field-level questions filers ask the FTB call center most often
What the Form Is and Who Must File It
Form FTB 3520-PIT is California’s official Power of Attorney Declaration for individuals and fiduciaries, and it is the only document the FTB will accept to grant a representative legal authority over a personal income tax account. The declaration is rooted in Revenue and Taxation Code §19006, which gives the FTB the right to demand written proof of representation before sharing any confidential return information. A federal IRS Form 2848 does not work for state matters, and submitting one in place of FTB 3520-PIT will result in a polite but firm rejection letter from Sacramento.
You must file this form if you are an individual taxpayer appointing a CPA, attorney, enrolled agent, or family member to act for you on California personal income tax issues. You must also file it if you are a fiduciary — meaning an executor, administrator, trustee, guardian, or conservator — who is appointing a representative to handle the tax affairs of an estate, trust, decedent, minor, or incapacitated person. The form is the gateway to every protected conversation between the FTB and your representative.
If you are a business entity such as a corporation, LLC, or partnership, you instead file the Form FTB 3520-BE, the Business Entity Power of Attorney Declaration. If you only want your representative to receive information but not act for you, you file the lighter Form FTB 3534, the Tax Information Authorization. Choosing the wrong cousin form delays your representation by an average of 15 business days.
The consequence of skipping the form entirely is steep. Without an active POA on file, the FTB will not return your representative’s calls, will not pause collection actions at their request, and will not extend filing deadlines through them. In an audit setting, that silence can cost you appeal rights under Revenue and Taxation Code §19045 if a 30-day protest letter is missed because your CPA could not legally receive the notice.
Before You Start: Documents and Information You Need
Gathering everything before you open the PDF saves a second trip through the form and prevents the most common rejection: a blank or mismatched ID number. The FTB cross-checks every entry against its master file, so even a transposed digit will bounce the declaration. Use the official instructions alongside this checklist.
Pre-filing checklist:
- Taxpayer’s full legal name exactly as it appears on the most recent California return, because a mismatch with the FTB master file triggers an automatic rejection.
- Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN) for individual filers, since the FTB indexes every POA by this number and will not file the declaration without it.
- Federal Employer Identification Number (FEIN) for fiduciaries acting on behalf of an estate or trust, because estates and trusts are tracked by FEIN rather than SSN.
- Current California address including ZIP+4, used by the FTB to mail the confirmation letter that proves your POA is on file.
- Daytime phone number so the FTB can reach you if a signature or date is unreadable.
- Representative’s full name, firm name, and CAF or PTIN number if applicable, because licensed representatives are validated against the California Tax Education Council or State Bar databases.
- Representative’s address, phone, fax, and email because the FTB sends duplicate notices to whichever channels you list here.
- Specific tax years or income periods the POA covers, because vague entries like “all years” without a future cap are rejected as overbroad.
- Letters testamentary, letters of administration, or trust certification if you are a fiduciary, because the FTB requires proof of your fiduciary capacity before accepting your signature.
- Prior POA information if you are revoking or replacing an earlier declaration, because failing to revoke leaves multiple representatives on the account at the same time.
If any item on this checklist is missing, the FTB will either reject the declaration outright or process it with a narrowed scope you did not intend. A missing letters testamentary attachment, for example, leaves an executor unable to discuss a decedent’s final return for weeks.
Where to Get the Form and How to Access It
The only safe source for Form FTB 3520-PIT is the Franchise Tax Board forms page, which always hosts the current revision. Third-party sites sometimes mirror outdated revisions, and the FTB will reject a 2019 or 2021 revision even if every field is filled in correctly. Always confirm the revision date in the lower-left corner reads Rev. 12-2024 before you start writing.
You can complete the form three ways. The first is to download the fillable PDF and type directly into each field, which produces the cleanest scan and the fewest legibility errors. The second is to print a blank copy and complete it by hand using black ink and block capital letters, which is acceptable but slower to process. The third is to start the declaration inside MyFTB, the FTB’s secure online portal, where the system pre-fills your taxpayer information and validates your representative’s credentials in real time.
MyFTB is the fastest channel because it bypasses the data-entry queue at the Sacramento processing center. Filers without a MyFTB account can register at myftb.ca.gov using their SSN, last filed return amount, and a California driver’s license. The portal also stores a permanent copy of every POA you have filed, which is invaluable when you need to prove representation years later.
If you cannot access the internet, you can request a paper copy by calling the FTB at 800-852-5711 or by visiting any FTB field office in Los Angeles, Oakland, Sacramento, San Diego, San Francisco, or Santa Ana. Field offices stock current revisions and will hand you a copy free of charge.
Step-by-Step: How to Fill Out Form FTB 3520-PIT Line by Line
The form has six numbered parts plus a signature block. Work through them in order, because later parts reference choices made earlier. Every entry should be in black ink if you are completing the form by hand, and every check box should be filled completely with no stray marks.
Part 1 – Taxpayer Information (Individual)
This part identifies the person whose tax account is being represented. The FTB uses these entries to pull the correct master file record, so accuracy matters more here than anywhere else on the form. The plain-English question is simple: who is the taxpayer giving authority?
To answer, enter the taxpayer’s first name, middle initial, last name, and suffix on the top line. Enter the SSN or ITIN in the next box without dashes if typing, or with dashes if writing by hand. Enter the current mailing address, city, state, and ZIP+4 on the lines below. If you file jointly, the spouse’s information goes on the second line.
A specific example helps. Maria Lopez, a single filer in Fresno, writes MARIA G LOPEZ on the name line, 123-45-6789 in the SSN box, 4421 N Blackstone Ave, Fresno, CA 93726-1108 on the address lines, and (559) 555-0143 as her daytime phone.
A common nuance involves filers who moved during the tax year. The FTB wants the address where you currently receive mail, not the address from the return year. If your spouse has a different SSN and a different last name, list both on the joint-filer lines exactly as each appears on the most recent return.
The most common mistake in Part 1 is leaving the spouse line blank on a joint POA. The direct consequence is that the representative gains authority only over the listed spouse’s account, so the unlisted spouse’s separate balance remains protected and unreachable. The misconception filers carry is that “filing jointly” automatically extends authority to both spouses; it does not, and each spouse must sign separately in Part 6.
Part 2 – Fiduciary Information (If Applicable)
Part 2 is reserved for executors, administrators, trustees, guardians, and conservators acting for someone else. The plain-English question is who is signing on behalf of the taxpayer, and in what legal role?
Enter the fiduciary’s name, title (such as Executor of Estate of John Doe), address, phone, and FEIN if the fiduciary is operating under an estate or trust EIN. If the fiduciary is acting under a court appointment, the title line should reference the court order date.
For example, David Chen, executor of his father’s estate, writes DAVID CHEN, EXECUTOR on the title line, the estate’s FEIN 87-1234567 in the ID box, and Letters Testamentary dated 03/15/2026, Los Angeles Superior Court in the appointment field.
A frequent edge case involves successor trustees. If a prior trustee resigned or died, the successor must attach the trust certification or court order showing the chain of authority. Without it, the FTB will accept the form but flag the account for additional verification, which can add 10 business days to processing.
The biggest mistake in Part 2 is entering the decedent’s SSN in the fiduciary ID field. The consequence is a system mismatch that returns the form unprocessed, because the fiduciary’s FEIN is what identifies the representing party. The misconception is that a fiduciary uses the taxpayer’s number; in reality the fiduciary’s own FEIN or SSN goes here, and the taxpayer’s SSN belongs in Part 1.
Part 3 – Representative(s) Information
Part 3 lists every person you are authorizing. You can list up to four representatives on a single declaration, and each must be a real individual, not a firm name. The plain-English question is who do you want speaking to the FTB on your behalf?
Enter the representative’s full name, firm or business name, address, phone, fax, email, and professional designation (CPA, EA, attorney, CTEC-registered preparer, family member, etc.). Include the CAF number if your representative has one from the IRS, because it speeds verification.
For example, Sandra Patel, CPA, of Patel & Associates in San Jose, writes SANDRA K PATEL on the name line, PATEL & ASSOCIATES CPA INC on the firm line, her California license CPA #128456, her phone (408) 555-0190, and her email spatel@patelcpa.com.
A common nuance is appointing a non-licensed family member. California allows it, but the FTB will not allow that family member to sign protests, waivers, or closing agreements unless you specifically grant that authority in Part 4. Another nuance is the CTEC-registered preparer, who must list a valid CTEC number that the FTB will verify against the CTEC database in real time.
The most common Part 3 mistake is listing only a firm name with no individual representative. The consequence is that the FTB cannot identify a specific person to release information to, so the declaration is rejected. The misconception is that “the firm is my representative”; the FTB only recognizes named individuals, never firms.
Part 4 – Authorization (Acts Authorized)
Part 4 controls what your representative can do. This is where many filers either grant too much authority or accidentally grant too little. The plain-English question is what specific acts are you allowing this person to perform?
Check the box for Full Authorization to grant general representation across all California personal income tax matters, or check Limited Authorization and list the specific acts. Specific acts include receiving notices, signing agreements, signing waivers of restrictions on assessment, and representing you at audits, protests, or settlement conferences.
For example, Aisha Robinson is fighting a residency audit and only wants her attorney to handle that one issue. She checks Limited Authorization, then writes Represent taxpayer in residency audit for tax year 2023, including signing protests and waivers under R&TC §19045.
A nuance: even with Full Authorization, the representative cannot receive your refund check or substitute another representative unless you explicitly check those add-on boxes. Many filers assume “full” means everything, but those two acts are carved out by California Code of Regulations §19006.
The classic mistake here is checking both Full and Limited. The consequence is rejection because the FTB cannot determine your intent. The misconception is that listing more acts is always safer; in reality, an overly broad limited list reads as a poorly drafted full authorization and may still get rejected for ambiguity.
Part 5 – Tax Years or Income Periods Covered
Part 5 controls when the authority applies. The plain-English question is which tax years or periods does the representative cover?
Enter specific tax years like 2022, 2023, 2024, or a range like 2020 through 2025. You can also list future years, but only up to five years beyond the current calendar year, per FTB Notice 2018-01. Vague entries like all years or future years without numeric limits are rejected.
For example, Marcus Thompson hires an enrolled agent for a long collection case and writes 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 on the years line, covering both back years and the next two filing seasons.
A nuance involves estimated tax years. If you list 2026 but the return for 2026 is not yet due, the FTB still accepts the year because POAs may be filed prospectively. Another nuance is the 6-year automatic expiration under R&TC §19006(c); even if you list 2010, the POA expires six years from signing and you must refile to keep it active.
The frequent mistake in Part 5 is writing all years with no list. The consequence is automatic rejection. The misconception is that representation lasts forever once granted; under California law, the POA expires six years from the signature date in Part 6 unless revoked sooner.
Part 6 – Signature of Taxpayer or Fiduciary
Part 6 is the legal heart of the form. Without a valid signature, every other field is wasted ink. The plain-English question is do you certify that everything above is true and that you are authorizing this representation?
Sign with your legal signature in blue or black ink, print your name, write the date in MM/DD/YYYY format, and add your title if you are signing as a fiduciary. Joint filers each sign on a separate line, and each signature counts as a separate authorization for that spouse’s account.
For example, Janet Williams, surviving spouse and executor, signs her own name Janet R Williams on the spouse line, then signs again as Janet R Williams, Executor of Estate of Robert Williams on the fiduciary line, dating both 05/12/2026.
A nuance involves electronic signatures. The FTB accepts typed signatures inside MyFTB and DocuSign-style e-signatures uploaded as PDFs, but a stamped signature is rejected as unverifiable. Another nuance is the 6-year clock: the signature date is what triggers the expiration, so signing months before submitting shortens your window.
The biggest Part 6 mistake is one spouse signing for both on a joint POA. The consequence is partial authorization that leaves the unsigning spouse’s account untouched. The misconception that “spouses can sign for each other on tax forms” is false for POA declarations; each spouse must sign personally.
Three Filled-Out Examples Using Real Scenarios
The three scenarios below show how very different filers complete the same form. Each follows one named person from start to finish.
Scenario 1 – Aisha Robinson, Residency Audit Defense
Aisha is a software engineer who moved from California to Texas in 2023 and is now facing an FTB residency audit. She hires Sandra Patel, CPA to represent her on that single audit.
| Form Section | What Aisha Enters |
|---|---|
| Part 1 – Name | AISHA M ROBINSON |
| Part 1 – SSN | 555-12-3456 |
| Part 1 – Address | 4820 Brodie Ln, Austin, TX 78745-1922 |
| Part 2 – Fiduciary | Left blank |
| Part 3 – Representative | SANDRA K PATEL, CPA, Patel & Associates, San Jose CA |
| Part 4 – Authorization | Limited – residency audit representation, signing protests and waivers |
| Part 5 – Tax Years | 2023 |
| Part 6 – Signature | Aisha M Robinson, 05/04/2026 |
Scenario 2 – David Chen, Executor for Deceased Father
David is settling his father’s estate after a death in early 2026 and needs an attorney to handle the decedent’s final California return and any FTB collection notices.
| Form Section | What David Enters |
|---|---|
| Part 1 – Name | JOHN H CHEN, DECEASED |
| Part 1 – SSN | 222-33-4444 |
| Part 1 – Address | c/o David Chen, 1899 Avenue of the Stars, Los Angeles, CA 90067-6048 |
| Part 2 – Fiduciary | DAVID CHEN, EXECUTOR, FEIN 87-1234567 |
| Part 3 – Representative | MICHAEL O’BRIEN, ATTORNEY, CA Bar #198765 |
| Part 4 – Authorization | Full Authorization, including substitution of representative |
| Part 5 – Tax Years | 2024, 2025, 2026 |
| Part 6 – Signature | David Chen, Executor, 05/18/2026 |
Scenario 3 – Marcus Thompson, Sole Proprietor with Back Tax Years
Marcus runs a landscaping business as a Schedule C sole proprietor and owes back tax for several years. He hires an enrolled agent to negotiate an installment agreement.
| Form Section | What Marcus Enters |
|---|---|
| Part 1 – Name | MARCUS T THOMPSON |
| Part 1 – SSN | 666-77-8888 |
| Part 1 – Address | 2210 Folsom St, Sacramento, CA 95816-4502 |
| Part 2 – Fiduciary | Left blank |
| Part 3 – Representative | LINDA NGUYEN, EA, PTIN P01234567 |
| Part 4 – Authorization | Full Authorization |
| Part 5 – Tax Years | 2018 through 2026 |
| Part 6 – Signature | Marcus T Thompson, 05/22/2026 |
How to File the Completed Form
You have three filing channels. Each works, but the speed and proof of filing differ. Pick the channel that matches your urgency.
Online via MyFTB upload is the fastest channel. Log in to MyFTB, click Send a Message, choose Power of Attorney/TIA, attach the signed PDF, and submit. There is no fee, and processing takes 5 to 10 business days. Your proof of filing is the message confirmation number plus the timestamped copy stored in your MyFTB inbox.
Fax is the second-fastest channel. Send the signed declaration plus any letters testamentary or trust documents to 916-843-5440. There is no fee, processing takes 10 to 15 business days, and the fax confirmation page is your proof of filing. Keep that confirmation page for at least seven years.
Mail is the slowest channel but works for filers without internet or fax access. Send the signed declaration to POA/TIA Unit, MS F283, Franchise Tax Board, PO Box 2828, Rancho Cordova, CA 95741-2828. There is no fee, no payment is needed, and processing takes 15 to 30 business days. Mail the form by USPS Certified Mail with Return Receipt so the green card becomes your proof of filing.
After filing, watch for a confirmation letter from the FTB within the channel’s processing window. If you do not receive one, call 800-852-5711 to verify the POA is active before relying on it for any deadline-sensitive matter.
What Happens After You File
Once the FTB processes the declaration, your representative is added to your account and gains the authority you granted in Part 4. The FTB sends a POA Acknowledgment Letter to both you and your representative, which is the official proof that representation is in force. If you filed through MyFTB, the letter also appears in your secure inbox.
From that day forward, your representative can call the FTB Tax Practitioner Hotline at 916-845-7057, log in to MyFTB on your behalf, request transcripts, respond to notices, and sign agreements within the scope you authorized. Notices the FTB sends to you are also sent to your representative if you checked the duplicate-notices box in Part 3.
The POA stays active for six years from the signature date under R&TC §19006(c), unless you revoke it sooner using Form FTB 3520-RVK, the Power of Attorney Declaration Revocation. Filing a new FTB 3520-PIT does not automatically revoke prior declarations unless you check the revocation box in Part 4 or attach a separate revocation form.
If the FTB rejects your declaration, you receive a Notice of Incomplete POA explaining what is missing. You have 30 days to correct and resubmit; after that, you must start fresh with a new declaration and a new signature date, which restarts the six-year clock.
Mistakes to Avoid When Filling Out the Form
The mistakes below come up over and over in FTB rejection letters, and each one has a direct, named consequence.
- Using an outdated revision — The FTB rejects forms printed before Rev. 12-2024, and you must restart with the current PDF.
- Mixing up SSN and FEIN — Putting the fiduciary’s FEIN in the taxpayer’s SSN box triggers a master-file mismatch and automatic rejection.
- Leaving the spouse line blank on a joint POA — The unsigning spouse’s account remains private, and your representative cannot discuss joint return issues that affect both spouses.
- Listing only a firm name in Part 3 — The FTB requires a named individual, so the form is returned unprocessed.
- Checking both Full and Limited authorization — Conflicting boxes create ambiguity, and the entire declaration is rejected.
- Writing “all years” in Part 5 — Vague year ranges are not accepted and the form is returned for clarification.
- Forgetting to attach letters testamentary — Without proof of fiduciary capacity, the FTB will not honor the executor’s signature.
- Stamped or photocopied signatures — Only original ink or verified e-signatures are accepted; stamps cause rejection.
- Listing more than four representatives — The form has only four slots, and additional representatives must be added on a second declaration.
- Forgetting to date the signature — An undated signature is treated as no signature, and the entire form is rejected.
- Filing a new POA without revoking the old one — Multiple representatives end up on the account and notices may go to the wrong person.
- Mailing to the wrong address — Sending the form to a general FTB PO Box instead of MS F283 delays processing by weeks.
Do’s and Don’ts
These quick rules separate clean filings from rejected ones.
Do’s:
- Do verify the revision date in the lower-left corner before writing, because outdated revisions are auto-rejected.
- Do match names exactly to the most recent California return, because the FTB cross-checks against its master file.
- Do list specific tax years, because the FTB rejects vague ranges.
- Do attach fiduciary proof like letters testamentary, because the FTB will not honor a fiduciary signature without it.
- Do keep a signed copy for your records, because you may need to prove representation years later.
- Do file through MyFTB when possible, because it is the fastest channel and provides instant confirmation.
Don’ts:
- Don’t submit IRS Form 2848 for California matters, because the FTB does not accept federal POAs.
- Don’t sign for your spouse, because each spouse must sign personally on a joint POA.
- Don’t grant Full Authorization carelessly, because it covers signing waivers that extend the statute of limitations.
- Don’t list a firm name in place of a person, because the FTB only recognizes named individuals.
- Don’t forget to revoke prior POAs, because old representatives stay active until revoked.
- Don’t rely on the POA past six years, because it expires automatically under R&TC §19006.
Pros and Cons of Filing on Your Own vs. With Help
Many filers can complete FTB 3520-PIT without professional help, but some situations warrant a CPA or attorney drafting the language for you.
Pros of filing on your own:
- No cost, because the form itself is free and self-explanatory for most filers.
- Full control over the scope of authorization without negotiating with a professional.
- Faster turnaround, because you do not wait for a professional’s drafting calendar.
- Direct learning, because you understand exactly what authority you granted.
- Easier revocation, because you know the original terms and can revoke cleanly.
Cons of filing on your own:
- Risk of overbroad authorization, because untrained filers often grant Full Authorization when Limited would protect them better.
- Higher rejection rate, because pro se filers miss revision dates and ID mismatches more often.
- No drafting nuance, because complex audits often need carefully scoped Part 4 language.
- Missed revocation steps, because filers forget to revoke prior POAs.
- No malpractice safety net, because a self-filed form has no professional standing behind it if something goes wrong.
FTB 3520-PIT vs. Related Forms
| Form | When to Use |
|---|---|
| FTB 3520-PIT | Individual or fiduciary granting full or limited POA on personal income tax |
| FTB 3520-BE | Business entity (corporation, LLC, partnership) granting POA |
| FTB 3520-RVK | Revoking a prior POA declaration |
| FTB 3534 | Authorizing information sharing only, no representation |
| IRS Form 2848 | Federal tax POA (not accepted by California) |
FAQs
Does FTB 3520-PIT cover federal tax matters?
No. The form only authorizes representation on California personal income and fiduciary income tax matters handled by the Franchise Tax Board, not federal IRS matters.
Can I list more than four representatives on the form?
No. Form FTB 3520-PIT has space for only four representatives, and additional representatives must be added by filing a second declaration.
Do I write my SSN or my FEIN in Part 1 if I am a fiduciary?
No. Part 1 is for the taxpayer’s SSN or ITIN; the fiduciary’s FEIN belongs in Part 2, and mixing them up triggers automatic rejection.
Can my spouse sign the POA for both of us on a joint return?
No. Each spouse must personally sign Part 6 of the form, and a missing spouse signature limits authorization to the signing spouse’s account only.
Does Full Authorization let my representative endorse my refund check?
No. Endorsing or receiving a refund check requires a separately checked box in Part 4 and is not included in default Full Authorization.
Can I write “all tax years” in Part 5?
No. The FTB rejects vague entries; you must list specific years or a numeric range capped at five years beyond the current calendar year.
Does filing a new POA automatically revoke my old one?
No. Prior declarations stay active until you check the revocation box in Part 4 or file a separate FTB 3520-RVK.
Will the FTB accept a stamped or scanned signature?
No. Only original ink signatures or verified electronic signatures through MyFTB or PDF e-signature platforms are accepted.
Does the POA expire automatically?
Yes. Under R&TC §19006(c), the POA expires six years from the signature date in Part 6 unless revoked earlier.
Can I file FTB 3520-PIT online?
Yes. You can upload the signed PDF through MyFTB, and online filing typically processes in 5 to 10 business days.
Is there a filing fee for the POA declaration?
No. The Franchise Tax Board does not charge any fee to file Form FTB 3520-PIT, regardless of which channel you use.
Do I need to attach letters testamentary if I sign as an executor?
Yes. Fiduciaries must attach letters testamentary, letters of administration, or trust certification proving their legal authority before the FTB will honor the signature.
Related reading
- How to Fill Out California Form 541-T (w/Examples) + FAQs
- How to Fill Out California Form 541 (w/Examples) + FAQs
- How to Fill Out California Form FTB 3520-BE (w/Examples) + FAQs
- How to Fill Out California Form FTB 3702 (w/Examples) + FAQs
- How to Fill Out California Form FTB 3805V (w/Examples) + FAQs
- How to Fill Out California Form FTB 5841 (w/Examples) + FAQs
- How to Fill Out California Form 100 (w/Examples) + FAQs