Tennessee Code Title 35. Fiduciaries and Trust Estates § 35-15-810

(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 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.

(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.

(e) For all purposes under the Tennessee Uniform Trust Code, when a trust is apportioned into separate shares for a single beneficiary or related beneficiary group, the apportioned separate share of the trust shall be treated as separate trusts even though such share may be commingled with other separate shares for investment and tax reporting purposes as provided in this section.

(f) For all purposes under this chapter, if a trust is apportioned into separate shares for one (1) or more beneficiaries, then the apportioned separate shares must be treated as separate trusts even though the share may be commingled with other separate shares of the trust for investment and tax reporting purposes as provided in this section.