(1) Any person interested as or through an executor, administrator, trustee, guardian, or other fiduciary, creditor, devisee, legatee, heir, next of kin, or cestui que trust in the administration of a trust or of the estate of a decedent, an infant, a mental incompetent, or an insolvent may have a declaration of rights or legal relations in respect thereto:
To ascertain any class of creditors, devisees, legatees, heirs, next of kin, or other; or
To direct the executors, administrators, or trustees to do or abstain from doing anyparticular act in their fiduciary capacity; or
To determine any question arising in the administration of the estate or trust, including questions of construction of wills and other writings.
Source: L. 23: p. 269, § 4. CSA: C. 93, § 81. CRS 53: § 77-11-4. C.R.S. 1963: § 77-114. L. 75: IP(1) amended, p. 925, § 18, effective July 1.