2013 - Frequency, coded - UN/CEFACT Revision 1999A Code List

2013 -	Frequency, coded UN/CEFACT Revision 1999A Code List
Repr:	an..3
Desc:	Code specifying interval grouping of the delivery, production, etc. of the schedule.
	This table also occurs in the following versions of this standard: D00A, D00B, D01A, D01B, D01C, D02A, D02B, D03A, D03B, D04A, D04B, D93A, D94A, D94B, D95A, D95B, D96A, D96B, D97A, D97B, D98A, D98B, D99A, D99B

A	Annually (calendar year)
	Code defining a yearly forecast.
B	Continuous
	Flexible frequency scheduling based on continuous consumption of items.
C	Synchronous
	Flexible frequency scheduling based on synchronous consumption of items.
D	Discrete
	Flexible frequency according to planning process.
E	Replenishment
	Flexible frequency scheduling based on replenishment of the consumption of items.
F	Flexible interval (from date X through date Y)
	Code defining a forecasted usage that is planned between two defined dates.
J	Just-in-time
	Self explanatory.
M	Monthly (calendar months)
	Code defining a forecast by calendar month(s).
Q	Quarterly (calendar quarters)
	Code defining a forecast by calendar quarter(s). (Jan-Mar, Apr-Jun, Jul-Sep, Oct-Dec).
S	Semi-annually (calendar year)
	Code defining a forecast for the first six months of the year or the second six months of the year.
T	Four week period (13 periods per year)
	Code defining a forecast for four week intervals.
W	Weekly
	Code defining a forecast for weekly intervals.
Y	Daily
	Self explanatory.
ZZZ	Mutually defined
	Code reserved for special trading partner requirements when pre-defined codes do not exist.

Change indicators
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asterisk		Addition/substraction/change to a code entry for a particular data element.
hash or pound sign		Changes to names.
vertical bar		Changes to text for descriptions, notes and functions.
minus sign		A deletion.
letter X		Marked for deletion.

Usage indicators
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2013 -