Wyo. Stat. § 4-10-810: Record keeping 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) of this section, a trustee shall cause the trust property to be designated or titled as provided in W.S. 4-10-402 so that the interest of the trust, to the extent feasible, appears in records maintained by a party other than a trustee or beneficiary.

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