How does a Charitable Lead Trust (CLT) work and how is it different from a CRT?

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AcadiFi · Accepted Answer

A Charitable Lead Trust (CLT) is the mirror image of a CRT: charity receives an income stream first, and the remainder passes to non-charitable beneficiaries (typically the grantor's family). CLTs are powerful estate planning tools when interest rates are low, because they leverage the IRS §7520 rate arbitrage.

Consider Montague Brinkerhoff, age 70, with $10M of rapidly-appreciating private equity interests wanting to transfer wealth to his children and grandchildren while fulfilling philanthropic goals. He establishes a 20-year Charitable Lead Annuity Trust (CLAT) paying 6% annually ($600,000/year) to the Brinkerhoff Family Foundation, remainder to his children:

With the §7520 rate at 5%, the present value of the 20-year $600,000 annuity equals approximately $7.48M. The taxable gift to children is the $10M contribution minus the $7.48M charitable interest = $2.52M gift using exemption. If the CLAT earns 8% over 20 years, after paying $600,000 annually, roughly $21M passes to children — against a $2.52M taxable gift. The arbitrage: assets grow at 8% actual vs. 5% assumed, with the excess going tax-free to family.

Zeroed-out CLAT variant: structure the charitable annuity to consume the entire contribution at the §7520 rate, creating a zero taxable gift. Any actual growth above §7520 passes tax-free to family. Works best in low-rate environments.

CLT vs CRT contrast:

| Feature | CLT | CRT |
|---|---|---|
| Income first to | Charity | Grantor/individual |
| Remainder to | Family | Charity |
| Charitable deduction | Often yes (grantor CLT) | Yes, partial |
| Best when rates are | Low | High |
| Primary use | Wealth transfer | Income + charity |

CLTs can be grantor (charitable deduction now, grantor pays income tax) or non-grantor (no deduction, trust pays tax). Tax complexity is significant; careful design with actuaries and tax counsel essential.

How does a Charitable Lead Trust (CLT) work and how is it different from a CRT?

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