S.L. 597.4 Art. 89Processing of the notice of revocationorofthe notice for declaration of invalidity. 

(1) Where the notice for revocation or the notice for declaration of invalidity does not comply with the provisions of rules 83 to 88, as the case may be, the Office shall inform the applicant of the notice for revocation or the notice for declaration of invalidity accordingly and shall invite him to remedy the deficiencies noted within a period of twenty (20) days from the date of notification sent by the Office. If the deficiencies are not remedied by the date of expiry of the time limit, the Office shall reject the notice for revocation or the notice for declaration of invalidity.

(2) (a) Where the prescribed fee has not been paid, the notice for revocation or the notice for declaration of invalidity, as the case may be, shall be deemed not to have been filed.

(b) In any of the cases mentioned in sub-rule (1) or in paragraph (a), the Office shall notify the applicant of the notice for revocation or the notice for declaration of invalidity with the outcome, as the case may be:

Provided that the Office shall also inform the applicant of the notice for revocation or the notice for declaration of invalidity where following action taken pursuant to sub-rule (1), the notice for revocation or the notice for declaration of invalidity is deemed admissible.