PCT Receiving Office Guidelines
Chapter XIX: Miscellaneous
Correction of Errors Made by the Receiving Office
339. A receiving Office may correct any errors made by it relating to the processing of an international application, unless the correction of such errors by the receiving Office is covered by specific procedures provided for in the Treaty, the Regulations, the Administrative Instructions or these Guidelines, in which case those procedures should be followed. Upon doing so, it should promptly notify the applicant, the International Bureau and, where applicable, the International Searching Authority and International Preliminary Examining Authority (Form PCT/RO/132).