Unless the subject or context otherwise requires, in these Rules,-
(a) “Department” means Department of Drinking Water and Sewerage of Government of Nepal.
(b) “Office” means the local office established by Department to distribute and maintain and to receive the charge of
drinking water and this word also refers any other office,  official or institution designated by the department to
perform such job.
(c) “Tap (Spout|” means the tap that has been joined by the department or office in the name of any person, Institution or body to consume the drinking water.
(d) “Consumer” means the person, Institution or body using the facility of the tap.
(e) “Charge” means the drinking water service charge that has to be paid pursuant to these rules for using the facility of the tap by a consumer.
(f) “Meter” means the meter joined in the pipe line of a consumer with the purpose of measuring the quantity of
consumption of drinking water.