K7 = Date received
J7 = Date claimed
L7 = Storage start date
M7 = Elapsed days
N = Storage
O = Surety
P = Fine 1 (i.e. claimed within 24 hours)
Q = Fine 2 i.e. claimed over 24 hours
There are other cells dependent on this group to work out costs.

The formula works fine for STORAGE start date, apart from when a date is
entered in K7 (say 01/04/2007) and J7 is blank. The formula should recognise
the received date and, if more than a day has elapsed between K7 and J7, add
a day (02/04/2007 in L7)

=IF(J23="","",IF(J23-K23<1,$P$2,"")) should not display the P value if not
claimed within 24 hours.

=IF(M23="","",IF(M23=1,$Q$2)) works OK for the Fine 2 (Q) value.

Help with all of this much appreciated.

Dan