760 ILCS 3/810: Recordkeeping and identification of trust property.

(a) A trustee shall keep adequate records of the administration of the trust.

(b) A trustee shall keep trust property separate from the trustee's own property.

(c) Except as otherwise provided in subsection (d), a trustee not subject to federal or state banking regulation shall cause the trust property to be designated so that the interest of the trust, to the extent feasible, appears in records maintained by a party other than a trustee or beneficiary to whom the trustee has delivered the property.

(d) If the trustee maintains records clearly indicating the respective interests, a trustee may invest as a whole the property of 2 or more separate trusts.

(e) A trustee shall maintain or cause to be maintained, for a minimum of 7 years after the termination of the trust, a copy of the governing trust instrument under which the trustee was authorized to act at the time the trust terminated.

(f) Prior to the termination of the trust, a trustee shall conduct a reasonable search for any trust property that has been reported and remitted to a state unclaimed property administrator.