Start date valid
C
C
C
C
C
C
C
C
C
C
C
C
Start date format
C
C
C
C
C
C
C
C
C
C
C
C
End date valid
C
C
C
C
C
C
C
C
C
C
C
C
End date format
C
C
C
C
C
C
C
C
C
C
C
C