House Bill No. 19 Summary

• Amends Idaho Code Section 63-3027 to revise corporate income tax provisions for multistate and unitary corporations doing business both within and outside Idaho.

• Changes the apportionment formula for electrical and telephone corporations from a four-factor formula (property, payroll, and double sales factors divided by four) to a three-factor formula (property, payroll, and sales factors divided by three).

• Makes technical corrections to statutory language, including changing "which" to "that" in multiple sections and clarifying references to combined reporting provisions.

• Declares an emergency and provides for retroactive application of the law effective January 1, 2021.