How do I enable/disable invoice rounding for parts cash sales?

Built into Eclipse Parts, rounding to the nearest $0.05 will happen automatically for cash sales. This can also be enabled/disabled for account customers regardless of payment type. 

1. Click System in the top left of the screen, then System Options.
   
   
   
2. Navigate to the Cash Drawer tab.
3. Tick/Untick the box for Apply Invoice Rounding on the Total of a Parts Invoices (Cash Charge Types) as required.