Begin your 1099 agreement with a clear introduction. Sample Independent Contractor Agreement.A sample agreement between a business and an independent contractor. Learn about AB 5 and how to determine if a worker is an independent contractor or employee. To enrich the lives of the people of San Diego; and. • To build healthy, vital neighborhoods. In other words, it's a type of Service Agreement specifically for those in the marketing field. Independent contractor agreements are only for external freelancers.