There are 2 ways to do it: From ''Point of Sale'' or ''Customer Management'' in the menu. xx

For the ''Point of Sale'' window:
  • Go to "Point of sale",
  • Click on the spyglass right next to "Customer".
For the ''Customer Management'' window:

  • Choose a customer,
  • Go to "Customer Management",
  • Click on ''Customer management''.

  • Select the customer,
  • Activate the option "Customer with A/R account:",
  • Save.