PCT Receiving Office Guidelines
Chapter VIII: Missing Parts or Erroneously Filed Elements or Parts in the International Application
Other Replacement Sheets
210. For the receipt of sheets containing corrections of defects under Article 3(4)(i) regarding the admitted language for elements other than the description and claims, see Rule 26.3ter.
211. If replacement sheets are submitted under Rule 9 (Expressions, Etc., Not to Be Used), see Section 217.