AZ SB1389

Amends section 41-1272 of Arizona Revised Statutes regarding the Joint Legislative Budget Committee's powers and duties.

Requires fiscal notes on bills with fiscal impact to reflect significant effects on the state's private sector economy, if practical.

Modifies language in the statute from "which" to "that" and from "upon" to "on" for grammatical consistency.

Expands the committee's fiscal analysis system to include probable behavioral responses of taxpayers, businesses, and citizens regarding tax law changes, with documented assumptions.

Maintains existing JLBC authority to conduct fiscal analysis of tax-related legislation and establish subcommittees for studies and investigations.