This option lets you enable and configure packing slips, also known as delivery notes.  After being enabled by going to Settings-> Invoice Options->Packing Slips,  you will have a packing slips button on your invoices.

• Enable Packing Slips – Tick the box to switch on the packing slips feature.  This will display a button on your invoices that will let you print the packing slip straight away.
• Name – If you would like to rename packing slips to delivery notes or something more appropriate just type in the name to the text box.
• Heading – This will appear on the packing slip document.  Use the text box to change the heading that appears.
• Line Ordering – Use this option to set how you would like your packing slip lines sorted.  You can sort the order in following ways:
  • Same as invoice.
  • Quantity (highest first).
  • Description (alphabetical).