1.2 International application filed in multiple languages
1.2.1 Abstract and text matter of the drawings
If the abstract and/or any text matter of the drawings is not filed in the same language as the description and claims, the applicant will be invited to correct the defect by the EPO as receiving Office (Form PCT/RO/106) within two months of the date of the invitation. If the applicant replies to the invitation within the prescribed time limit by submitting the translation in the language indicated in the invitation, the international filing date will remain unaffected.
Rule 26.3ter(a),
GL/RO 62-64