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 person who is legally incompetent or a person who is insolvent may have a declaration of rights or legal relations in respect thereto:

1. 1. Ascertain class of creditors, heirs, etc To ascertain any class of creditors, devisees, legatees, heirs, next of kin or others; or
2. 2. Direct fiduciary to do or not to do certain act To direct the executors, administrators or trustees to do or abstain from doing any particular act in their fiduciary capacity; or
3. 3. Determine questions To determine any question arising in the administration of the estate or trust, including questions of construction of wills and other writings.

PL 2009, c. 299, Pt. A, §2 (AMD).