The DR 0172 form, officially known as the Contractor Application for Exemption Certificate, plays a crucial role in the Colorado construction industry. Designed for contractors seeking tax exemptions on specific projects, this form is essential for ensuring compliance with state regulations. It allows contractors to purchase construction materials without incurring sales tax, provided that these materials are intended for an exempt project. However, it is important to note that this exemption does not extend to equipment or supplies that do not become part of the final structure. Each contract requires a separate application, and prime contractors must issue exemption certificates to their subcontractors. The form requires detailed information, including the contractor’s business details, the exempt organization’s information, and specifics about the project, such as the estimated start and completion dates. Failure to complete the form accurately can lead to denial of the application, emphasizing the importance of careful preparation. Additionally, recent changes in procedure mean that subcontractors will no longer receive individual certificates; instead, prime contractors are responsible for managing the exemption process. This shift aims to streamline the application process and ensure better compliance with state laws.