Trust Litigation

Failing to File Tax Returns

By February 25, 2026No Comments
Failing to File Tax Returns

Table of Contents

Key Takeaways

  • Under California law, failing to file tax returns may constitute a breach of fiduciary duty.
  • Trustees generally have a duty to obtain a taxpayer identification number and file required federal and state returns.
  • As a result, unpaid taxes can compound, incur interest, and cause financial harm to the trust.
  • A beneficiary in California has the right to seek court intervention whenever a trustee neglects their obligations.

What Happens When a Trustee Fails to File Tax Returns?

A trustee is responsible for managing trust assets, including handling tax obligations. A trustee is responsible for managing trust assets, including handling tax obligations. Failing to file tax returns may constitute a breach of duty under California law. Trustees typically have a duty to file tax returns and pay any taxes that are due. As a result, the trustee may be breaching their fiduciary duty. If you suspect that the trustee is failing to file tax returns, contact a California trust litigation attorney immediately. They will assist in protecting the trust’s assets.
At The Grossman Law Firm, Attorney Scott Grossman represents beneficiaries throughout California in trust litigation matters, including cases involving tax-related breaches of fiduciary duty.

A Trustee’s Tax Filing Duties Under California Law

Under California trust law and applicable federal requirements, trustees may be required to:
  • Obtain a taxpayer identification number for the trust.
  • File an annual trust income tax return (Form 1041, Fiduciary Income Tax Return).
  • File required California fiduciary income tax returns.
  • File the final personal income tax return for the deceased grantor.
  • When applicable, file an estate tax return.
  • Pay taxes from trust assets.
Failure to complete these steps can expose the trust to interest, penalties, and potential audits. In more serious cases, ongoing noncompliance may justify court intervention.

Consequences of Failing to File or Pay Trust Taxes

Financial and Legal Exposure to the Trust

When required returns are not filed, taxing authorities may assess penalties and interest against the trust. Those charges are paid from trust assets, not from the trustee’s personal funds unless the court later orders a surcharge.
In other words, the financial consequences often fall first on the beneficiaries.
If a trustee ignores their tax obligations, beneficiaries may petition the probate court to:
  • Compel compliance
  • Order an accounting
  • Suspend or remove the trustee
  • Seek a surcharge for resulting losses
Prompt legal evaluation can help determine whether the failure to file constitutes a breach of fiduciary duty.
If this sounds like your situation, it may be time to speak with an experienced trust and probate attorney. Contact The Grossman Law Firm today to discuss your options.

FAQ

Is failing to file tax returns automatically a breach of trust?

No, not every delay constitutes misconduct. Repeated failure to file required returns or pay taxes, though, can violate the trustee’s duty to act with reasonable diligence and prudence.

Can beneficiaries demand proof that taxes were filed?

Yes, beneficiaries are generally entitled to information reasonably related to their interests. This includes financial documentation and accounting.

Additional Trust Litigation Resources

How The Grossman Law Firm Can Help

Trust tax compliance is not optional. When a trustee fails to file required returns or pay taxes owed, the financial consequences can affect every beneficiary.
At The Grossman Law Firm, we help beneficiaries and heirs throughout California enforce their rights in probate and trust litigation.
Call (888) 443-6590 or fill out our Get Help Now form. Our Intake Specialists can evaluate your case at no cost to you. Qualifying cases will be scheduled for a Free Phone Consultation with Attorney Scott Grossman.
Originally Published June 18, 2018