760 ILCS 3/1108: Restrictions.

Conversion to a total return trust does not affect any provision in the trust instrument:

(1) directing or authorizing the trustee to distribute principal;

(2) directing or authorizing the trustee to distribute a fixed annuity or a fixed fraction of the value of trust assets;

(3) authorizing a beneficiary to withdraw a portion or all of the principal; or

(4) in any manner that would diminish an amount permanently set aside for charitable purposes under the trust instrument unless both income and principal are so set aside.