This bill proposes a sales and use tax exemption for construction materials and supplies used in the development of two water mains in Brooklyn Park, Minnesota. Specifically, it allows for a refundable exemption on materials and equipment purchased for this project, which aims to support the city's biotech innovation district. The exemption applies to purchases made between November 30, 2025, and January 1, 2029. The tax will be initially collected at the standard rate but will be refunded in accordance with existing provisions for similar projects.

Additionally, the bill includes an appropriation from the general fund to the commissioner of revenue to cover the refunds associated with this exemption. The effective date for this legislation is set for sales and purchases made within the specified timeframe. Overall, the bill aims to facilitate infrastructure development in Brooklyn Park by alleviating some of the financial burdens associated with sales tax on construction materials.