This topic explains the settings that allow you to customize the way customer information is entered in Terminal, how customer credits can be applied, and what taxes are to be discounted for credits and discounts.
1.Go to the Settings> People> Customer Options 
> General tab.
2.Change the options as required. Click in the image below to see a description of each setting.
3.On the Edit menu, click Save Changes.
4.Refresh Terminal to implement the new customer options.
See also:
