GL-PCT M of sections amended in 2021 revision MAJOR AMENDMENTS PART A A‑II, 6 ; A‑II, 6.1 ; A‑II, 6.1.1 ; A‑II, 6.1.2 ; A‑II, 6.2 New subsections detailing practice of EPO as RO when dealing with the correction of erroneously filed elements or [..]