Amends various provisions of the Insurance Code to update and improve existing provisions. Clarifies grounds for denial, suspension, and revocation of an adjuster and bill reviewer license. Clarifies procedures for denying, suspending, and revoking an insurance producer license. Amends the notice requirements for cancellation or nonrenewal of an insurance policy. Requires insurers to provide explanation of premium increases upon request. Amends the definition of unfair methods of competition and unfair or deceptive acts or practices.