Performing a Commercially Useful Function (CUF) is a critical requirement of doing business with the state. This information is relevant to you, whether you are a prime contractor or a subcontractor doing business with the state. It is the law! Each certified Small Business (SB) or Disabled Veteran Business Enterprise (DVBE) must perform a CUF when bidding/participating on any state contract as a contractor, subcontractor, or supplier of goods and/or services, regardless of the procurement or payment method. If you are a prime contractor subcontracting with a state-certified SB or DVBE, it is recommended that you verify the subcontractor(s) can perform a CUF on a specific contract before listing them on the bid documents.