<>CD
Calendar day (includes weekends and holidays)_period given as a number of days including weekends and holidays.
<>DW
Work day_self explanatory.
<>WW
5 day work week_monday through friday.
<>SI
Indefinite_an indefinite period.
<>DC
Ten days period_period of 10 days.
<>CW
Calendar week (7day)_period given as a number of 7day-weeks including holidays.
<>S
Second_self explanatory.
<>SD
Surface day_description to be provided.
<>F
Period of two weeks_self-explanatory.
<>M
Month_self explanatory.
<>AA
Air hour_flight duration irrespective of time zones.
<>AD
Air day_flight duration irrespective of time zones.
<>H
Hour_self explanatory.
<>W
Week_period of seven days.
<>Y
Year_self explanatory.
<>D
Day_self explanatory.
<>ZZZ
Mutually defined_period as per agreement.
<>3M
Quarter_self explanatory.
<>WD
Working days_days when the partner company normally works.
<>6M
Half-year_self explanatory.
<>MN
Minute_self explanatory.
<>HM
Half month_self explanatory.
<>P
Four month period_self explanatory.