Serial tracked parts may have connected customer or supplier warranties. Warranties can be added in Part Serial page by clicking Warranty and then either Customer Warranty or Supplier Warranty. This opens a dialog with details about the warranty you want to add and those already added. Once the part is sold or purchased, the warranty becomes active and the valid dates are shown in the Serial Warranty Dates tab.
None.
Both customer and supplier warranties, including corresponding valid periods, are shown in the tab.