Charitable Trusts in California: Structures, Filings, and Duties

Setting up and running a charitable trust in California means satisfying two separate systems at once: state formation and oversight rules enforced by the Attorney General, and federal tax rules enforced by the IRS. You draft a trust instrument dedicating assets to a charitable purpose, register with the Attorney General’s Registry of Charitable Trusts within 30 days of receiving property, decide whether to pursue federal tax-exempt status under Section 501(c)(3), and then keep up with annual filings on both sides. Miss a step and the penalties add up fast, through late fees that accrue monthly, excise taxes on prohibited transactions, and in serious cases revocation of registration or exempt status.

The Two Basic Structures

Most California charitable trusts take one of two forms, and the choice shapes the tax treatment, payout rules, and reporting for the life of the trust.

Charitable Remainder Trusts

A charitable remainder trust pays income to non-charitable beneficiaries, often the donor or family members, for a set term or for life. Whatever remains at the end goes to a designated charity. The annual payout must be at least 5 percent but no more than 50 percent of the trust’s value, and the charity’s remainder interest must be worth at least 10 percent of the initial contribution.¹ The trust itself is exempt from income tax, so it can sell appreciated assets without owing capital gains tax; the income beneficiary pays tax only on distributions received.²

Charitable Lead Trusts

A charitable lead trust reverses the order. The charity receives income during the trust’s term, and remaining assets pass to non-charitable beneficiaries such as the donor’s heirs when the term ends. A lead trust is not tax-exempt. In a grantor version, the donor takes an upfront income tax deduction for the present value of the charity’s interest but reports the trust’s income on their personal return each year. In a non-grantor version, there is no upfront deduction, but the trust deducts the charitable payments annually. If investments outperform the IRS assumed rate of return, the excess growth passes to heirs free of additional gift or estate tax.

Writing the Trust Instrument

A charitable trust begins with a written document that establishes the charitable purpose, names the trustee, describes how assets will be managed and distributed, and identifies the charitable beneficiaries or the class of people the trust will serve. California defines charitable purposes broadly: relieving poverty, advancing education or religion, promoting health, supporting government functions, and any other activity that benefits the community.³

Unlike a private trust set up for specific people, a charitable trust does not need to name individual beneficiaries. It must serve the public or an indefinite group. Including a clause that permanently dedicates assets to charitable purposes will matter later if you apply for federal tax-exempt status.⁴

Registering With the California Attorney General

Every charitable trust holding assets for charitable purposes in California must register with the Attorney General’s Registry of Charitable Trusts within 30 days of first receiving property. If the charitable interest is still a future interest, as in a charitable remainder trust where the charity’s share has not vested, registration can wait until that interest becomes present.⁵

Initial registration requires:

A copy of the trust instrument
IRS Form 1023 or 1024, if already submitted
The IRS determination letter, if already received
A $50 registration fee payable to the Department of Justice

These requirements come from the Attorney General’s registration guide.⁶ Once registered, the trust receives a state charity registration number (CT number) and takes on annual reporting obligations.

Federal Tax-Exempt Status

State registration and federal tax exemption are separate processes. To qualify under IRC Section 501(c)(3), a charitable trust must be organized and operated exclusively for exempt purposes, and none of its earnings can benefit any private individual.⁷ You apply by filing Form 1023 electronically through Pay.gov. Smaller organizations may qualify for the streamlined Form 1023-EZ, but only after completing the eligibility worksheet in the IRS instructions.⁸

Not every charitable trust obtains 501(c)(3) status. A trust that is not tax-exempt but has all unexpired interests devoted to charitable purposes is still treated as a 501(c)(3) organization for most purposes under IRC Section 4947(a)(1), which keeps it subject to the private foundation excise tax rules even without formal exemption.⁹

Private Foundation or Public Charity

Every 501(c)(3) organization gets a foundation classification, and the default is private foundation. A trust qualifies as a public charity only if it receives substantial support from the general public, government grants, or a combination of contributions and fees tied to its exempt purpose.¹⁰ Most charitable trusts funded by one donor or a small group end up classified as private foundations.

The classification carries real consequences. Private foundations must distribute roughly 5 percent of their assets each year for charitable purposes, and a foundation that underpays faces a 30 percent excise tax on the shortfall. Private foundations also operate under stricter rules on self-dealing, excess business holdings, and risky investments. Public charities face fewer restrictions and offer donors more generous deduction limits.

Trustee Duties and Self-Dealing

California holds charitable trustees to two core fiduciary standards: loyalty and prudence. The duty of loyalty bars a trustee from using trust property for personal profit or entering any transaction where the trustee’s interests conflict with the trust’s. Any transaction between a trustee and a beneficiary during the trust’s existence is presumed to violate this duty, and the trustee carries the burden of proving otherwise.¹¹

The duty of prudence requires a trustee to manage the trust with the care, skill, and caution a prudent person in a similar role would use. The trust instrument can expand or narrow this standard, and a trustee who relies in good faith on those express provisions is protected from liability.¹² For endowment and other institutional funds, California’s version of UPMIFA requires trustees to invest in good faith, keep costs reasonable, diversify unless special circumstances justify concentration, and evaluate each decision in the context of the entire portfolio.¹³

On top of state fiduciary rules, trustees of charitable trusts classified as private foundations face federal excise taxes for self-dealing. The person engaging in self-dealing pays an initial 10 percent tax on the amount involved for each year the violation continues, and a foundation manager who knowingly participates owes 5 percent. If the self-dealing is not corrected within the taxable period, the penalties escalate to 200 percent for the self-dealer and 50 percent for a manager who refused to agree to correction.¹⁴ These are federal taxes separate from anything the California Attorney General pursues.

One revenue issue catches trustees off guard. Even a tax-exempt charitable trust owes federal income tax on revenue from activities unrelated to its charitable mission. Once unrelated business income reaches $1,000 or more in a tax year, the trust must file IRS Form 990-T. A charitable remainder trust faces a harsher rule: any unrelated business taxable income triggers an excise tax equal to the full amount of that income.¹

Annual Filings and Fees

California and federal reporting deadlines overlap, and missing either side triggers penalties.

State: Form RRF-1

Every registered charitable trust must file the Annual Registration Renewal Fee Report (Form RRF-1) with the Attorney General’s Registry no later than four months and fifteen days after the accounting period ends. Calendar-year filers are due May 15.¹⁵ Trusts must also file a copy of their IRS Form 990 (or applicable variant) with the state.⁶

The renewal fee scales with total revenue:

Under $50,000: $25
$50,000 to $100,000: $50
$100,001 to $250,000: $75
$250,001 to $1 million: $100
$1 million to $5 million: $200
$5 million to $20 million: $400
$20 million to $100 million: $800
$100 million to $500 million: $1,000
Over $500 million: $1,200

These amounts are listed on the current RRF-1 form.¹⁵

Federal: Form 990-PF or Form 5227

The federal return depends on classification. Charitable trusts treated as private foundations file Form 990-PF by the 15th day of the fifth month after the close of the tax year.¹⁶ Split-interest trusts, including charitable remainder trusts and charitable lead trusts, file Form 5227 instead; for calendar-year trusts, Form 5227 is due April 15.¹⁷ Trusts required to file 10 or more returns of any type during the year must file electronically; a paper return filed when electronic filing is required counts as no return at all.

What Noncompliance Costs

California’s penalty structure escalates. For late registration, late filing, or operating without being registered, the Attorney General can assess $25 per month (or partial month) past the deadline.¹⁸ On top of that, the Attorney General can impose penalties of up to $1,000 per violation, with ongoing violations accruing an additional $100 per day until corrected.¹⁹ The Attorney General can also revoke or suspend a trust’s registration, which shuts down its ability to solicit contributions in California.²⁰

Federal penalties stack on top. A split-interest trust that fails to file Form 5227 on time, completely, or correctly faces $25 per day up to a maximum of $13,000 per return. For trusts with gross income above $327,000, the penalty jumps to $130 per day up to $65,000.¹⁷ These apply unless the trust can show reasonable cause.

Changing or Ending the Trust

Charitable trusts are usually built to last indefinitely, but California gives you several ways to modify or wind one down.

A trustee or beneficiary can petition the court to modify or terminate a trust when circumstances the original creator did not know about or anticipate would cause the trust to substantially fail in its purpose. The court can even order the trustee to take actions the trust instrument does not authorize or forbids, if doing so is necessary to carry out the trust’s goals.²¹ The Attorney General can initiate or participate in these proceedings.²⁰

When a trust’s specific purpose becomes impossible or impractical to carry out, courts apply the cy pres doctrine to redirect the assets to the closest possible alternative charitable purpose, preserving donor intent even when the original mission no longer works.²² If the principal drops so low that running the trust would defeat its charitable purpose, the court can order termination or modification. Under California law, when the principal falls below $100,000, the trustee can terminate the trust without court approval; above that threshold, a court petition is required.

Dissolving a charitable trust classified as a private foundation triggers a federal termination tax under IRC Section 507. The tax equals the lesser of the trust’s combined tax benefit (essentially all the tax savings the trust and its donors ever received from its exempt status) or the value of the trust’s net assets at the time of termination.²³ For involuntary terminations tied to willful and flagrant misconduct, the same formula applies but the asset valuation uses the date of the misconduct rather than the date of the termination notice. The tax is large enough that many foundations transfer their assets to a public charity instead of formally dissolving.

1
Office of the Law Revision Counsel. 26 USC 664 – Charitable Remainder Trusts
2
Internal Revenue Service. Charitable Remainder Trusts
3
California Legislative Information. California Probate Code – Uniform Prudent Management of Institutional Funds Act, Section 18502
4
Internal Revenue Service. Organizational Test – Internal Revenue Code Section 501(c)(3)
5
Justia Law. California Government Code 12585 – Charitable Purposes Act
6
California Department of Justice. General Guide for Initial Registration with the Attorney General’s Registry of Charitable Trusts
7
Internal Revenue Service. Exemption Requirements – 501(c)(3) Organizations
8
Internal Revenue Service. About Form 1023 – Application for Recognition of Exemption Under Section 501(c)(3)
9
Office of the Law Revision Counsel. 26 USC 4947 – Application of Taxes to Certain Nonexempt Trusts
10
Internal Revenue Service. Determine Your Foundation Classification
11
California Legislative Information. California Probate Code 16004 – Transactions Involving Trust
12
California Legislative Information. California Probate Code 16040 – Trustee Standard of Care
13
California Legislative Information. California Probate Code 18501-18510 – Uniform Prudent Management of Institutional Funds Act
14
Office of the Law Revision Counsel. 26 USC 4941 – Taxes on Self-Dealing
15
California Department of Justice. RRF-1 Annual Registration Renewal Fee Report and Instructions
16
Internal Revenue Service. Instructions for Form 990-PF
17
Internal Revenue Service. 2025 Instructions for Form 5227
18
Justia Law. California Government Code 12586.1 – Charitable Purposes Act
19
New York Codes, Rules and Regulations. California Code of Regulations Title 10, Section 338 – Imposition of Penalty
20
California Legislative Information. California Government Code 12598
21
California Legislative Information. California Probate Code 15409 – Modification or Termination of Trust
22
Internal Revenue Service. The Cy Pres Doctrine – State Law and Dissolution of Charities
23
Internal Revenue Service. Private Foundation Termination Tax