Relating to an exemption from ad valorem taxation of a portion of the appraised value of tangible personal property that is held or used for the production of income and a franchise tax credit for the payment of certain related ad valorem taxes.

Added new Section 1.04 defining 'inventory' for tax purposes, clarifying what items count as inventory versus other tangible personal property.

Created a new franchise tax credit program (Subchapter N) allowing businesses to receive up to 20% of ad valorem taxes paid on inventory, with a $500 million annual cap.

Updated eligibility criteria for the $25,000 property tax exemption, clarifying rules for related business entities and unified business enterprises.

Added new requirements for tax forms to include checkboxes for related business entities and those electing not to render property for taxation.

Set the effective date for the ad valorem tax exemption to January 1, 2026, contingent on voter approval of a constitutional amendment.

Added new definitions for 'inventory' in multiple sections, including specific exclusions for dealer motor vehicles, vessels, heavy equipment, and manufactured housing.

Corrected formatting issues, section numbering, and removed placeholder text from the introduced version to create the final engrossed bill text.