The Water and Sewerage (Works) (Advance Payments) Regulations 1989
These Regulations make provision for advance payment on account of compensation payable by a water undertaker, a sewage undertaker or the National Rivers Authority when it exercises powers conferred by paragraphs 4 and 5 of Schedule 19 to the Water Act 1989 (powers to carry out work other than street works and powers in relation to stopcocks).