Part 26	Standard market timetable
676	Application of this Part
(1)	This Part provides for a standard market timetable.
(2)	This Part is made for section 83B of the NGL.
(3)	This Part does not apply in Western Australia until the day an order under section 7A of the National Gas Access (WA) Act 2009 of Western Australia in relation to the National Gas (South Australia) (Capacity Trading and Auctions) Amendment Act 2018 of South Australia is published in the Western Australian Government Gazette or, if a later day is specified in the order, on that day.
677	Definitions and interpretation
(1)	In this Part:
auction facility has the meaning given in Part 25.
auction service nomination cut-off time has the meaning given in rule 678(3).
day-ahead nomination means a nomination given on a gas day about intended use of a service provided by means of a natural gas facility on the following gas day or any part of the following gas day.
facility operator means for:
(a)	a production facility: each producer, user or non scheme pipeline user who owns, operates or controls the production facility;
(b)	a gas storage facility: each storage provider for the gas storage facility; and
(c)	a transportation facility: each transportation service provider for the transportation facility.
gas day means a period of 24 consecutive hours used for the nomination, scheduling and provision of services provided by means of a natural gas facility.
gas storage facility means a facility for storing natural gas for injection into a pipeline.
natural gas facility means a production facility, a transportation facility or a gas storage facility.
nomination means, according to the context:
(a)	information about a person’s intended use of a service provided by means of a natural gas facility on one or more gas days or any part of a gas day; or
(b)	the process and timetable for the provision of the information in paragraph (a) to a facility operator.
nomination cut-off time means the time by which a day-ahead nomination for a gas day must be made for the purposes of scheduling for that gas day.
Part 24 facility has the meaning given in Part 24.
production facility means a facility at which natural gas is produced so that it is in a form suitable for injection into a pipeline.
publish, by a person, means to make publicly available on the person’s website.
renomination means a request made after the nomination cut-off time to vary an earlier nomination for use of transportation capacity, including variation to a deemed or default day-ahead nomination.
standard gas day has the meaning given in rule 678(1).
standard nomination cut-off time has the meaning given in rule 678(2).
(2)	A reference to a person’s intended use of a service provided by means of a natural gas facility includes a reference to:
(a)	the quantity of natural gas in respect of which the service will be used; and
(b)	where applicable to the service, at or between which the person intends to use the service.
(3)	References in this Part to a time of day are to Australian Eastern Standard Time (and are not adjusted for daylight saving time in any jurisdiction).
(4)	For the purposes of this Part, each part of a pipeline is taken to have the same classification that it has under Part 24.
Note:
Refer to sections 18 and 19 of the NGL, rule 550 in Part 23 and rules 593(2) and (3) in Part 24.
678	Standard market timetable
(1)	The standard gas day is a gas day starting at 6:00 am.
(2)	The standard nomination cut-off time is 3:00 pm on the gas day immediately preceding the gas day to which the nomination relates.
(3)	The auction service nomination cut-off time is 6:45 pm on the gas day immediately preceding the gas day to which the nomination relates.
(4)	Subject to subrule (7), a facility operator for a natural gas facility must use the standard gas day for the nomination, scheduling and provision of services provided by means of the natural gas facility.
(5)	Subject to subrules (6) and (7), a facility operator for a Part 24 facility must use the standard nomination cut-off time for day-ahead nominations for services provided by means of the facility.
(6)	Subject to subrule (7), a facility operator for an auction facility must:
(a)	use the standard nomination cut-off time for day-ahead nominations for services (other than auction services) provided by means of the auction facility; and
(b)	use the auction service nomination cut-off time for day-ahead nominations for auction services provided by means of the auction facility.
(7)	Nothing in subrule (4), (5) or (6) prevents a facility operator:
(a)	providing for the nomination, scheduling or provision of a service provided by means of a natural gas facility over periods shorter than a standard gas day, where the first such period starts at the start of the standard gas day and the last such period ends at the end of the standard gas day;
(b)	subject to the rules and the Capacity Transfer and Auction Procedures, extending the standard nomination cut-off time or the auction service nomination cut-off time for a gas day where there is an unforeseen event (such as a system failure) or when otherwise required or permitted to do so under the rules or the Capacity Transfer and Auction Procedures;
(c)	accepting or giving effect to a renomination; or
(d)	rescheduling a service provided by means of a natural gas facility over the course of a gas day.
(8)	A facility operator for a natural gas facility must ensure that the equipment used for the measurement and recording of quantities of natural gas in the circumstances described in subrule (9) does so for:
(a)	each period corresponding to the standard gas day; or
(b)	periods shorter than a standard gas day, where the first such period starts at the start of the standard gas day and the last such period ends at the end of the standard gas day.
(9)	The circumstances referred to in subrule (8) are:
(a)	in the case of a natural gas facility other than a distribution pipeline, the measurement and recording of quantities of natural gas injected into or withdrawn from the natural gas facility or produced by the natural gas facility; and
(b)	in the case of a distribution pipeline, the measurement and recording of quantities of natural gas injected into or withdrawn from the distribution pipeline, where that measurement and recording is done on an hourly or daily basis (and not where the measurement and recording is done over periods longer than a day).
Note:
Paragraph (b) is intended to confine the operation of this rule to interval meters. The rule is not intended to extend to basic meters.