Master Agreements (MA) are utilized when the County desires a list of pre-qualified vendors to perform various services, on an as-needed basis. The Vendor Relations Unit within ISD assists vendors with the registration process, Vendor Self Service activations and other related inquiries.This video will outline the process of submitting a bid on the lavss website. Are you a vendor with the City of LA? If you are located outside the City and do not engage in business in the City complete the Vendor Registration Packet. By completing this form, businesses can obtain a Vendor Registration Number, essential for receiving payments and fulfilling contract commitments. formPurpose. Vendor shall provide to LACERA the Services as set forth in the body of this Agreement and in the Statement of Work attached hereto as Exhibit A,. Page 5.