Applying SUBLET just using the letter S in the input field

advised that SUBLET is taxable by default so it may have to be modified based on location.
but on Sublet items all that should need to entered is the 
DESCRIPTION
COST 
AMOUNT
TAXABLE = Y / N

http://help.pluss.co/HELP/PTM%20Vision%20Help/default.aspx?pageid=Welcome#pageid=3_4_5