4.—(1) On the incorporation of a limited liability partnership its members are the persons who subscribed their names to the incorporation document (other than any who have died or been dissolved).
(2) Any other person may become a member of a limited liability partnership by and in accordance with an agreement with the existing members.
(3) A person may cease to be a member of a limited liability partnership (as well as by death or dissolution) in accordance with an agreement with the other members or, in the absence of agreement with the other members as to cessation of membership, by giving reasonable notice to the other members.
(4) A member of a limited liability partnership shall not be regarded for any purpose as employed by the limited liability partnership unless, if he and the other members were partners in a partnership, he would be regarded for that purpose as employed by the partnership.