C.R.S. § 15-5-709

(1) A trustee is entitled to be reimbursed out of the trust property, with interest as appropriate, for: (a) Expenses that were properly incurred in the administration of the trust; and (b) To the extent necessary to prevent unjust enrichment of the trust, expenses that were not properly incurred in the administration of the trust. (2) A reasonable advance by the trustee of money for the protection of the trust gives rise to a lien against trust property to secure reimbursement with reasonable interest.