OK HB4178

Expands Oklahoma sales tax exemptions to include public trusts organized under Section 176 of Title 60 of the Oklahoma Statutes when a municipality is the beneficiary of the trust

Amends Section 1356 of Title 68 (Oklahoma Statutes 2021) regarding governmental and nonprofit entity exemptions from the state sales tax levied under Section 1350

Maintains existing exemption for sales to the United States government, Oklahoma state government, political subdivisions, and agencies of political subdivisions

Contractors performing work under government contracts remain subject to sales tax, with specific exceptions provided elsewhere in the statute

Effective date is November 1, 2026