The above worked perfect, Thank you.
Pussing the issue further, and upstream of this module, how would I
assuming that the data to be summed is in row 2 to 7 (instead of 8 to
13)
1. Populate an array with a list of unique codes from the above
2. Insert the number of summary rows and the blank total row
3. Populate the criteria column with the list of unique codes
before running TotalIf