How to restrict a DFF being copied while duplicating a receivables invoice

Organization Name (Required - If you are an Oracle Partner, please provide the organization you are logging the idea on behalf of):

Delloitte LLP

Description (Required):

While duplicating an AR Invoice, the new invoice being copied with Original Invoice DFF information at header. We have a business scenario where this value should not be copied as there are custom objects updating these fields based on certain conditions.

Use Case and Business Need (Required):

While duplicating an AR Invoice, the new invoice being copied with Original Invoice DFF information at header. We have a business scenario where this value should not be copied as there are custom objects updating these fields based on certain conditions. Need some ways to restrict this.