D99B Code List 2151

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3M
Self explanatory.
6M
Self explanatory.
AA
Flight duration irrespective of time zones.
AD
Flight duration irrespective of time zones.
CD
Period given as a number of days including weekends and holidays.
CW
Period given as a number of 7day-weeks including holidays.
D
Self explanatory.
DC
Period of 10 days.
DW
Self explanatory.
F
Self-explanatory.
H
Self explanatory.
HM
Self explanatory.
M
Self explanatory.
MN
Self explanatory.
P
Self explanatory.
S
Self explanatory.
SD
Description to be provided.
SI
An indefinite period.
W
Period of seven days.
WD
Days when the partner company normally works.
WW
Monday through Friday.
Y
Self explanatory.
ZZZ
Period as per agreement.