The trust accounting handbook is a practical guide created to assist attorneys to comply with recordkeeping standards for client trust accounts. The State Bar of California gratefully acknowledges that the idea for this.Handbook arose out of the exhaustive book on client trust accounting. In this guide, we will explore the importance of client trust accounts and provide an overview of how you should set up and maintain them. , Handbook on Client Trust Accounting for Cal. Learn about the basics of client trust accounting. The Washington State Bar Association's home on the Internet. Users will find practical instructions for compliance with the State Bar of California's regulations. Get Client Trust Handbook Form. Reasons Lawyers Get Into Trouble With Trust Accounts.