They must negotiate the terms of each mass supply contract with the water company mandated for the connection and supply of running water or wastewater treatment. You must also have this mass delivery agreement with them before we can grant your new appointment. Each bulk delivery contract is negotiated separately and different approaches have been successfully used in different situations. Other approaches have been successfully used. For example, in previous negotiations, offers from existing mandated water companies have included rates based on: If you will not reach an agreement on the terms of a mass delivery contract (or if you are not satisfied with the terms already agreed), we may take a definition of the terms provided for in the Water Industry Act 1991. Our current guidelines on mass supply charges are the mass charges for SANs: definitive guidelines. With regard to mass delivery costs, this guide replaces all the guidelines in previous documents relating to mass delivery. We will consult with the Environment Agency before making a decision and we may also decide to take into account the views of other stakeholders. .