Cessation of Membership
16. The membership of an employer participant shall cease if:
(a) Such participant:
(i) ceases to be an employer engaged in the Industry; or
(ii) is in default with the payment of any subscription, contribution or other sum properly payable by him to the Scottish Joint Industry Board; and
(b) The National Board acting in its absolute discretion resolves that his membership be terminated.
17. The membership of an employee participant shall cease if:
(a) Such participant:
(i) ceases to be an employee engaged in the Industry; or
(ii) is in default with the payment of any subscription, contribution or other sum properly payable by him to the Scottish Joint Industry Board; and
(b) The National Board acting in its absolute discretion resolves that his membership be terminated.
18. Any employer participant or employee participant may resign his membership by giving not less than three months notice in writing of his intention to resign to the Secretary; and his membership shall forthwith cease upon the expiration of any such notice.
19. In the event of a person ceasing to be a participant, either pursuant to Rule 17 or 18, or by virtue of his expulsion from membership in accordance with Rule 20, or otherwise howsoever, all rights (if any) of whatsoever nature which such person may have against the Scottish Joint Industry Board, or its property, shall forthwith determine, except to such extent (if any) as may be otherwise resolved by the National Board.