i will tell my scenario
1)we have created the item as inventory item
2) so that they are changing the description and doing the transation
3) now problem came in that . . . for example we have created the sataionary (item Description)
will purchase by changing description as pen in NOS,
but while purchasing Ink it will be by KGs
so it depends.
4) so they require the UOM to be changed. ie they required the column UOM and they need to enter manually?
moreover it in non inventory item
what i can do in this scenario
tick 'Unit of Measure' Visible and Active - in Form Setting
now you can enter manual UOM in that Document.