10. Every Chairman and member shall, before he enters upon his office, submit to such Authority as the Government may direct, a declaration in writing, of properties, both movable and immovable, whether within or outside Bangladesh, which he or any member of his family owns, or which he has in his possession or under his control, or in which he or any member of his family has any beneficial interest. Explanation.- In this section, the expression “member of his family”, in relation to a person, includes- (a) the spouse of such person, and (b) such of the children, parents, brothers and sisters as reside with and are wholly dependent upon such person.