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2151 -

Period type code
UN/CEFACT Revision 2001A Code List

Repr:an..3
Desc:Code specifying the type of period.
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

3M
Quarter
A subdivision of a year into four equal parts.
6M
Half-year
A subdivision of a year into two equal parts.
AAAir hour
Flight duration irrespective of time zones.
ADAir day
Flight duration irrespective of time zones.
CDCalendar day (includes weekends and holidays)
Period given as a number of days including weekends and holidays.
CWCalendar week (7day)
Period given as a number of 7day-weeks including holidays.
D
Day
The twenty-four hour period during which the earth completes one rotation on its axis.
DCTen days period
Period of 10 days.
DWWork day
Self explanatory.
FPeriod of two weeks
Self-explanatory.
H
Hour
One of the twenty-four sub-divisions of a day.
HM
Half month
A subdivision of a month into two equal parts.
M
Month
One of twelve divisions of the year as determined by the Gregorian calendar.
MN
Minute
A unit of time equal to 1/60 of an hour, or 60 seconds.
P
Four month period
A period of time, measured in monthly increments, consisting of four sequential months.
S
Second
A unit of time equal to 1/60 of a minute.
SD
Surface day
The voyage duration irrespective of time zones.
SIIndefinite
An indefinite period.
WWeek
Period of seven days.
WDWorking days
Days when the partner company normally works.
WW5 day work week
Monday through Friday.
Y
Year
The period of time as measured by the Gregorian calendar in which the earth completes a single revolution around the sun.
ZZZMutually defined
Period as per agreement.

Change indicators
plus sign An addition.
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
Used in batch messages only.
Common usage in both batch and interactive messages.
Used in interactive messages only.

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