This document specifies requirements for service providers with regard to responsible practices for the provision of their services. This document applies to recreational diving related activities, e.g: scuba diving; snorkelling; free diving (breath hold diving). Further, this document provides guidance to all stakeholders involved in recreational diving related activities on best practice to minimise negative impact on the aquatic environment and to optimise positive outcomes. This document will also provide consumers with a method of identifying and comparing service providers who follow environmental best practice.