# The Gas (Calculation of Thermal Energy) (Amendment) Regulations 1997, Regulation 3


In regulation 2(1) of the Principal Regulations—
(a) in the definition of “charging area”, after the words “take off point” there shall be inserted the words “(not being a take off point to which paragraph (4) below or Part III of these Regulations applies)”;
(b) in the definition of “gas day”, the words “of 24 hours” shall cease to have effect; and
(c) after the definition of “gas period” there shall be inserted the following definitions—
““input point”, in relation to a take off point (not being a take off point to which paragraph (4) below or Part III of these Regulations applies), means—
(a) where the take off point is situated in a charging area, any point at which gas is introduced into that part of the pipe-line system operated by the public gas transporter which is—
(i) in the charging area; and
(ii) used for distributing gas to take off points (not being take off points to which paragraph (4) below or Part III of these Regulations applies) in the charging area; and
(b) where the take off point is not situated in a charging area, any point at which gas conveyed to the take off point ceases to be conveyed to any other take off point;
“output point”, in relation to a take off point (not being a take off point to which paragraph (4) below or Part III of these Regulations applies) in a charging area, means any point at which gas which—
(a) has flowed past an input point for take off points in the charging area; and
(b) is still in the course of conveyance by the public gas transporter,
ceases to be conveyed to any such take off point;”.

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Source: https://www.legislation.gov.uk/uksi/1997/937/regulation/3 (the official version)
Page: https://openlegislation.uk/gas-calculation-of-thermal-energy-amendment-regulations-1997/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.