Relating to tax reporting of multinational corporations; prescribing an effective date.

Provides for addition, on Oregon corporate excise tax return, of income or loss of corporation incorporated in tax haven and member of unitary group, if income or loss is connected to trade or business in United States. Defines "tax haven." Discontinues use of biennially updated list of jurisdictions of incorporation for inclusion on return. Applies to tax years beginning on or after January 1, 2018. Takes effect on 91st day following adjournment sine die.