Texas Local Government Code - LOC GOV'T § 105.051. Maintenance of Security

(1) requiring the depository to execute a new bond or pledge additional securities for the deposit of municipal funds;

(2) substituting one security for another;

(3) releasing securities pledged by a depository in excess of the amount required by this chapter;

(4) the time period in which such addition, substitution, or release of security by a depository may occur; and

(5) other matters relating to the possession, substitution, or release of security the municipality considers necessary for its protection.