The Manual for the WaterMark Certification Scheme details the operating structure of the improved Scheme, and the process and procedural requirements for the certification of plumbing and drainage products. The Manual includes the Rules for the WaterMark Certification Scheme and the Approved Certifier and Approved User Agreements, as approved by the Australian Competition and Consumer Commission, as well as the Protocol for the Assessment of Risks of Plumbing Products and the Protocol for Developing Product Specifications.