(1) Any person who intends to apply for exclusion or challenge pursuant to Articles 135 and 136 shall submit a document stating the ground therefor to the President of the Intellectual Property Trial and Appealing Board: Provided, That where a hearing is held, he or she may make a verbal statement about the cause thereof.
(2) Any person who files an application for exclusion or challenge shall provide an explanation of the ground therefor within three days from the date he or she files such application.