Chapter III – Documents forming the basis of the international preliminary examination
3. Amended sheets
Any change, other than the rectification of obvious mistakes in the claims, the description or the drawings is considered an amendment. Unless withdrawn or superseded by later amendments, any change considered an amendment must be taken into consideration for the purpose of the international preliminary examination.
See GL/PCT‑EPO H‑II and GL/PCT‑EPO H‑III for details.