CABINET CHAILLOT Industrial Property Attorneys in France Professional Representative before the EPO Professional Representative before the OHIM France: Colombes | La Roche-sur-Yon | Dijon   Français | Español PCT - Part D Rule 79 Calendar 79.1  Expressing Dates Rule 80 Computation of Time Limits 80.1  Periods Expressed in Years 80.2  Periods Expressed  in Months 80.3  Periods Expressed in Days 80.4  Local Dates 80.5  Expiration on a Non-Working Day 80.6  Date of Documents 80.7  End of Working Day Rule 81 Modification of Time Limits Fixed in the Treaty 81.1  Proposal 81.2  Decision by the Assembly 81.3  Voting by Correspondence Rule 82 Irregularities in the Mail Service 82.1  Delay or Loss in Mail 82.2  Interruption in the Mail Service Rule 82bis Excuse by the Designated or Elected State of Delays in Meeting Certain Time Limits 82bis.1  Meanning of "Time Limit " Article 48(2) 82bis.2  Reinstatement of Rights and Other Provisions to Which Article 48(2) Applies Rule 82ter Rectification of Errors Made by the Receiving Office or by the International Bureau 82ter.1  Errors Concerning the International Filling Date and the Priority Claim Rule 83 Right to Practice Before International Authorities 83.1  Proof of Right 83.1bis  Where the International Bureau Is the Receiving Office 83.2  Information