You can change below details while add/edit items in invoice or other document.
- Item Information like** Name, Code, Descritption** as per your invoice details.
- Item Rate and Quantity for your invoice details. This price will remain for current invoice only, it will not affect to existing items listing.
- Update Item Unit Type like None, Days, Hours.
- Update Item Discount field to apply discount in item as percentage or flat amount discount.
- Apply Taxes for item with Withholding Tax and other custom Exclusive or Inclusive Tax. By default it will take value from **Taxes section **in which you have enable option of "Apply this Tax to all items". You can also set default value of **Withholding Tax **from Company section.