Please follow these steps to hide Due date from Sale Invoice.
Step 1 : Go to Setting menu.
Step 2 : select “Invoice Options” then click on “Print Options” from sub menu
Step 3 : Go to option Number 37
Note :Tick the box if you wish to hide due date & Untick the box if you wish to show the due date.
Step 4 : Click on “Save” button given below.
Step 5 : Settings has been updated.