Terms and Condition changes according to Product in the sales order and Invoice

[Manav_Mandli]

No, it will not reflect during an ERPNext upgrade. If you want the custom fields and client scripts, you need to create a custom app and export them. After that, you can easily use these changes during different ERPNext upgrades.

Please check this:

How to export specific custom field in specific custom app

Here an example: App 1: |__ custom_field “field_A” in “Purchase Order” App 2: |__ custom_field “field_B” in “Purchase Order” here if i export customizations then field_A , field_B both fields comes into app which i selected for export i want field_A app in App 1 and field_B in app App 2