California Code of Regulations
Title 2 - Administration
Division 4.5 - Local Agency Deposit Security
Chapter 2 - Administrator of Local Agency Security
Subchapter 1 - General Provisions
Article 5 - Miscellaneous
Section 16001.5.4 - Retention of Documents

An agent of depository shall retain each document relating to an addition of a security, a withdrawal of a security, or a substitution of securities, or a copy thereof, for a period of not less than two years after such addition, withdrawal, or substitution is effected; provided, however, that nothing in this Section shall be deemed to require an agent of depository to retain a security or a copy thereof.