Each person to be admitted as a partner to a partnership formed under either § 15-202(a)(i) or § 15-202(a)(ii) of this title may be admitted as a partner and may receive a partnership interest in the partnership without making a contribution or being obligated to make a contribution to the partnership. Each person to be admitted as a partner to a partnership formed under either § 15-202(a)(i) or § 15-202(a)(ii) of this title may be admitted as a partner without acquiring an economic interest in the partnership. Nothing contained in this section shall affect a partner's liability under § 15-306 of this title.