1. [Requirements Under Article 12(1)(i)] A Contracting Party may require that a request referred to in Article 12(1)(i) be signed by the applicant or owner.
2. [Time Limit Under Article 12(1)(ii)] The time limit for making a request, and for complying with the requirements, under Article 12(1)(ii), shall be the earlier to expire of the following:
(i) not less than two months from the date of the removal of the cause of failure to comply with the time limit for the action in question;
(ii) not less than 12 months from the date of expiration of the time limit for the action in question, or, where a request relates to non-payment of a maintenance fee, not less than 12 months from the date of expiration of the period of grace provided under Article 5bis of the Paris Convention.
3. [Exceptions Under Article 12(2)] The exceptions referred to in Article 12(2) are failure to comply with a time limit:
(i) for an action before a board of appeal or other review body constituted in the framework of the Office;
(ii) for making a request for relief under Article 11(1) or (2) or a request for reinstatement under Article 12(1);
(iii) referred to in Article 13(1), (2) or (3);
(iv) for an action in inter partes proceedings.