Conn. Gen. Stat. § 45a-499bb: Evidence of oral trust.

Except as required by any provision of the general statutes other than sections 45a-487j to 45a-487t, inclusive, and 45a-499a to 45a-500s, inclusive, a trust need not be evidenced by a written trust instrument, but the creation and terms of an oral trust, other than a charitable trust, may be established only by clear and convincing evidence.