(1) A Beneficiary may disclaim its whole interest.

(2) A disclaimer made under Article 28(1) must be in writing and must be irrevocable.

(3) Subject to the Terms of the Trust, a Beneficiary under a Trust may disclaim part of its interest, whether or not it has received some benefit from its interest.

(4) A disclaimer made under Article 28(3) may, subject to the Terms of the Trust, be revocable and it must be exercisable in the manner and under the circumstances so expressed.