POLAND - K-SeF ID Number - For Supplier Credit Memo Which Global Attribute to use

Follow on to my previous Question POLAND - K-SeF ID Number - Which Global Attribute to use

When the Supplier Issues a Credit Memo, it is Required that the Supplier refers to the Original Invoice.

They will populate the NrKSeFFaKorygowanej with the K-SeF Id of the Invoice being Corrected.

Which AP_INVOICE_HEADER Global Attribute does Product Strategy suggest we use for this Purpose?