Thanks for the info on the 2019 merger, I'm correcting that right away, Antwerp and RBC/BHG have not been changed.

Oudsbergen - was unchanged.
Kruisem - corrected.
Aalter - corrected.
Pelt - was unchanged, admin_center changed from Neerpelt to Pelt.
Deinze - corrected.
Puurs-Sint-Amands - fixed, admin_centre changed from Puurs to Puurs-Sint-Amands.
Lievegem - fixed, admin_centre changed from Zomergem to Lievegem.