A majority of the members of the Commission shall constitute a quorum and shall be sufficient for any action by the Commission; provided, however, that a single Commissioner may sit for the purpose of hearing testimony in any matter provided:

(1) The parties consent; and

(2) Any final decision in the matter must be approved by a majority of the members of the Commission.

47 Del. Laws, c. 254, § ?1; 48 Del. Laws, c. 371, § ?3; 26 Del. C. 1953, § ?106; 57 Del. Laws, c. 139, § ?2; 57 Del. Laws, c. 182, § ?2; 59 Del. Laws, c. 397, § ?1;