IOLTA trust accounting exists because client funds — retainers, settlements, escrow — are not the law firm's money, and every state bar requires them to be tracked and protected accordingly. An IOLTA (Interest on Lawyers Trust Accounts) account holds pooled client funds that are individually too small or too short-term to earn meaningful interest on their own; the modest interest generated is remitted to the state's IOLTA program, typically funding legal aid, not the firm or the client.
The core rule is simple to state and easy to violate in practice: client funds must never commingle with the firm's operating funds, and every dollar in the trust account must be traceable to a specific client and matter. Paying a firm expense directly from the trust account, using one client's retainer balance to cover another client's shortfall, or leaving earned fees sitting in trust after they should have been transferred to operating are all commingling violations — regardless of whether the firm intended any harm.
This is why trust accounting carries higher stakes than ordinary bookkeeping. A misclassified expense in a typical small business is a tax-time correction. A trust accounting error at a law firm can trigger a bar complaint, an audit, or discipline — up to and including suspension — because the obligation is a fiduciary one, not just a financial-reporting one. Your bookkeeper needs to understand that distinction, not just move transactions between accounts.
The 3-way reconciliation is the control that catches problems before they become violations. It compares three numbers every month: the trust account's bank statement balance, the firm's internal trust ledger (the sum of the operating cash-book trust entries), and the sum of all individual client ledger balances within the trust account. If all three don't match exactly, something is wrong — a deposit posted to the wrong client, a disbursement recorded twice, or an unremitted fee sitting in the wrong bucket — and it needs to be found and corrected before the next filing period, not discovered during a bar audit.
Client-level ledgers are the piece generalist bookkeeping tools often get wrong. It isn't enough to know the trust account holds $85,000 in total; the firm needs to know exactly how much of that belongs to each individual client, at any point in time, and be able to produce that breakdown on demand. A single pooled balance with no client-level detail fails the reconciliation requirement even if the bank balance is technically correct.
Earned fees are the other common failure point. When a retainer converts from unearned to earned — work is performed and billed against it — that money has to move out of the trust account and into the firm's operating account promptly. Firms that let earned fees sit in trust, whether from inattention or as an informal cash-flow buffer, are commingling even though no client is being shorted; the rule is about where the money sits, not just whether it's eventually accounted for correctly.
State-specific rules add another layer: reconciliation frequency requirements, record-retention periods, and reporting obligations to the state bar vary by jurisdiction, and some states mandate specific software or recordkeeping formats for trust accounts. A firm operating in multiple states needs books that can satisfy the strictest applicable jurisdiction, not just the firm's home state. Because these rules carry professional-discipline consequences and differ by state, firms should confirm their specific bar's requirements with their ethics counsel or state bar client-trust-account program — the general practices below are not a substitute for that.
Our team builds law firm books in client-owned QuickBooks Online with a dedicated trust account structure, client-level sub-ledgers for every matter, and a true 3-way reconciliation performed monthly — bank balance, internal trust ledger, and client ledger totals, checked against each other every time. New clients get a free historical cleanup, so a trust account that's drifted out of reconciliation gets rebuilt to a clean, defensible baseline rather than left as a standing risk.
If your firm's trust accounting hasn't been reconciled on a strict monthly cadence, or you're not fully confident your client-level ledgers would hold up under a bar audit today, a short discovery call is the fastest way to see exactly where things stand and what a clean, compliant system looks like going forward.
| Requirement | Compliant approach | Common shortcut (a violation risk) |
|---|---|---|
| Client fund segregation | Trust account holds only client funds, never firm funds | Firm expenses paid directly from trust |
| Client-level tracking | Individual sub-ledger for every client/matter | One pooled balance with no per-client detail |
| Reconciliation | Monthly 3-way reconciliation: bank, internal ledger, client ledgers | Bank balance checked alone, or only periodically |
| Earned fees | Transferred to operating promptly once earned | Left sitting in trust as a cash-flow buffer |
| Record retention | Retained per the applicable state bar's requirement | Retention period not tracked or verified |
| Cleanup of drifted books | Free historical cleanup rebuilds to a defensible baseline | Left unreconciled until an audit forces the issue |
IOLTA compliance depends on client-level tracking and a true monthly 3-way reconciliation — a single pooled trust balance that merely matches the bank statement is not enough.
Frequently Asked Questions
What is a 3-way reconciliation in trust accounting?
It's a monthly comparison of three numbers that must all match: the trust account's bank statement balance, the firm's internal trust ledger, and the sum of every individual client's ledger balance within the trust account.
What counts as commingling client and firm funds?
Paying firm expenses from the trust account, letting earned fees sit in trust instead of moving to operating promptly, and using one client's retainer to cover a shortfall for another client are all forms of commingling — even without any client actually being harmed.
Do trust accounting rules vary by state?
Yes. Reconciliation frequency, record-retention periods, and reporting requirements to the state bar vary by jurisdiction, and some states specify recordkeeping formats. Because violations carry professional-discipline consequences, confirm your specific requirements with your state bar or ethics counsel rather than relying on general guidance alone.
Can you fix a trust account that's already out of reconciliation?
Yes. New clients receive a free historical cleanup, so we can rebuild client-level ledgers and bring a drifted trust account back to a clean, reconciled baseline.