State Bar & Bar Associations,
Ethics/Professional Responsibility
Oct. 9, 2025
Preparing for C-TAPP Phase 2: What California lawyers need to know
California attorneys should brace for Phase 2 of the State Bar's Client Trust Account Protection Program (C-TAPP), which will require mandatory, State Bar-initiated audits of client trust accounts -- costing firms thousands of dollars and imposing strict new accounting, recordkeeping, and compliance obligations that will particularly strain solo and small practices.





Edward P. Dudensing
Attorney and Founder
Dudensing Law
Elder Abuse
Phone: (916) 448-6400
Email: ed@dudensinglaw.com
UC Davis SOL King Hall; Davis CA

The State Bar of California's Client Trust Account Protection Program (C-TAPP) is moving into Phase 2, and attorneys should prepare for significant new compliance obligations. By the end of this year or early next, law firms will face mandatory audits of their client trust accounts. These reviews will be initiated by the State Bar, but the responsibility for compliance rests squarely with the firm, which must select a State Bar-Approved CPA to conduct the audit. The projected cost ranges from $3,000 to $15,000, with some estimates of up to $25,000 -- an unwelcome expense for many small and midsize firms.
Solo and small firms will face significant financial and administrative effects. But beyond the expense, the program signals a shift in the State Bar's oversight approach: maintaining minimal records is no longer enough.
What Phase 2 requires
Phase 1 of C-TAPP required attorneys to register their trust accounts and certify compliance with existing recordkeeping rules. Phase 2 takes it further. The State Bar will select firms for compliance reviews, and those firms must engage a CPA, from the Bar's approved list, to conduct the audit.
The goal is to confirm that client trust funds are properly safeguarded and that attorneys can produce client-specific accounting on demand. Firms will be expected to demonstrate not only that they maintain accurate balances overall, but also that they can identify each client and matter at any given moment.
This adjustment will affect small firms and solo practitioners who use basic record keeping for their trust accounts. That will no longer be sufficient under C-TAPP.
Under C-TAPP, a compliant record system must produce three-way reconciliations (i.e., reconciliation among the bank statement, the check register, and the client ledger). It will also need to produce the balance attributable to any individual client at all times. Every single deposit, withdrawal and disbursement must be documented with supporting records. Finally, a compliant system must be integrated with general accounting so that the firm and client funds are clearly segregated.
These new requirements mean standard bookkeeping will no longer cut it. Firms will likely need to implement in-house accounting support or find an outsourced service capable of maintaining trust account records at the required level of detail.
Practical challenges for firms
Obviously, implementation of a rigorous auditing program presents its challenges. The projected audit cost of $5,000-$10,000 may be manageable for larger firms, but it poses significant concern for smaller firms. Certain estimates indicate that costs may exceed $25,000. In addition, firms may need to invest in upgrading their accounting systems or hire outside bookkeepers with trust accounting experience.
Firms may still use specialized trust accounting software to help them become C-TAPP compliant. However, not all programs are capable of meeting C-TAPP's requirements, and lawyers should evaluate whether their current systems can produce the reconciliations and client-specific reports that auditors will demand.
These audits will not be optional, and once initiated, law firms must comply. Failure to maintain compliant records could expose lawyers not only to further audit costs but also to disciplinary action.
Legal considerations
Despite the significant burdens that C-TAPP poses, it also raises important legal considerations. As a matter of professional responsibility, under Rule 1.15 of the California Rules of Professional Conduct, lawyers already have a duty to safeguard client funds. C-TAPP audits will make compliance more transparent and lapses will be more likely to result in discipline.
There are also confidentiality concerns. Although CPAs will be approved by the State Bar, firms should confirm how client information will be handled and determine whether any engagement agreements address client confidentiality.
Additionally, C-TAPP raises liability exposure concerns. Should a C-TAPP audit uncover shortages, mismanagement, or substandard recordkeeping, lawyers could face not only discipline, but also malpractice claims or civil liability.
Steps lawyers can take now
With Phase 2 of C-TAPP quickly approaching, lawyers can take several proactive steps immediately. Lawyers should evaluate their current recordkeeping systems to determine if they can produce client-by-client balances instantly and on demand. Lawyers with inadequate systems should consider platforms designed for law practice trust accounting rather than generic bookkeeping programs. It is also wise to engage a bookkeeper or accountant with experience in law firm trust accounting.
Additionally, it is smart for all firms, regardless of size, to begin training staff on proper procedures such that everyone who handles client funds understands the rules and documentation requirements. As a practicable matter, firms should also begin planning for the fiscal impact that C-TAPP compliance will bring so that it does not come as a surprise.
Every lawyer should also familiarize themselves with the State Bar's "Handbook on Client Trust Accounting for California Attorneys" and other C-TAPP resources available on the State Bar's website.
Conclusion
Phase 2 of C-TAPP marks a new era of trust account oversight in California. While the costs and compliance burdens are quite significant, attorneys who prepare now will be better prepared for the transition and avoid the risks that come with inadequate systems. By investing in reliable bookkeeping, adopting appropriate technology and systems, and understanding the legal stakes, firms can survive the C-TAPP audit process and strengthen their financial practices for the long term.
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