The second step in your journey of becoming a supplier, is the SLAC registration. In order to complete your registration, you must have an Unique Entity Identifier (UEI) from SAM.gov and a completed SAM Registration, which must be active and current. Once you have completed Step1 you can go to SLAC's Supplier Registration Portal to become an approved supplier. You will also need your W-9 or W-8 to register at SLAC. Completing the SLAC Registration does not guarantee solicitations or awards will be sent to your organization.