POLAND - K-SeF ID Number - Which Global Attribute to use

Currently Upgrading from 11i to R12.2

However, need to implement a Solution for Payables Supplier Invoices in 11i as K-SeF becomes mandatory before R12.2 Go Live.

I have found 2 Conflicting Notes for which Global Attribute to use in R12.2 - I want to make sure I use the right one in 11i so that it's the right one in R12.2

Which Flexfields Can Be Used To Populate The KSEF ID Number (Doc ID 3086699.1)

Says

Global_Attribute15 for AP

However

E-Business Suite Release 12: Poland - JPK_PD (JPK_CIT) Accounting and Assets Register Files, January 2025 (Doc ID 3036214.1)

Attachment JPK_PD_–JPK_Accounting-_Solution_approach_and_prerequisites%20(1).pdf