(1) A trust is an attribution managed investment trust (or AMIT ) for an income year if:
(a) the trust is a * managed investment trust in relation to the income year; and
(b) the rights to income and capital arising from each of the * membership interests in the trust are clearly defined (see section 276 - 15) at all times when the trust is in existence in the income year; and
(d) if the regulations specify criteria for the purposes of this paragraph--those criteria are satisfied in relation to the trust; and
(e) either:
(i) the trustee of the trust has made a choice for the purposes of this subparagraph in respect of that income year; or
(ii) the trust was an AMIT for an earlier income year.
(2) A choice for the purposes of subparagraph (1)(e)(i) cannot be revoked.