(1) Where it is impossible to serve documents because the address or the place of business of a person on whom documents shall be served is unclear, service by publication shall be effected in lieu thereof.
(2) Service by publication shall be effected by publishing the intention of delivering documents to a person on whom documents shall be served at any time in the Trademark Official Gazette.
(3) The first service by publication shall take effect after two weeks elapse from the date the intention of delivery at any time is published in the Trademark Official Gazette: Provided, That service by publication to the same relevant person after this shall take effect from the day following the date on which the intention of delivery at any time is published in the Trademark Official Gazette.