The Agreement fully expresses all understanding of the parties concerning all matters covered and shall constitute the total agreement. Learn about AB 5 and how to determine if a worker is an independent contractor or employee.The Contract includes standard terms and conditions for a service contract with the County of Los Angeles. These terms and conditions are subject to change. How do I fill this out? Each month Contractor shall furnish to City an original invoice for all work and services performed and expenses incurred during the preceding month in a form. If any conflict exists between the terms of this. Los Angeles Metro is at the forefront of change and innovation in LA County's transportation revolution. Division of Financial and Business Services. Procurement Services.