These Bye-laws of the Minister for Trade and Industry substantially reproduce the Water Supply (Water Fittings) Regulations 1999 which apply in England and Wales. They make provision for preventing contamination and waste of water supplied by the Isle of Man Water Authority. They do not apply to certain water fittings in connection with water supplied for non-domestic purposes, or to water fittings lawfully installed before the coming into operation of the Byelaws. impose general requirements in