An independent contractor agreement helps establish the work and relationship at outset of engagement. Here are best practices and what should be included.Learn how to determine whether a person providing a service to you is an employee or an independent contractor. An Independent Contractor Agreement is a contract between a company and an independent contractor to hire the contractor without them becoming an employee. The first step is to have the contractor complete Form W9, Request for Taxpayer Identification Number and Certification. Contract Amendment and Merger Clause. This contract encompasses the complete and entire agreement of the parties. 7.6 Independent Contractor. Independent contractor and not an agent or employee of the City. The Service Provider and its employees are not the agents, servants, or employees of the City.