The rules in this chapter shall be liberally construed to secure the just, speedy and inexpensive determination of every appeal or proceeding in which they are applicable. The Board at every stage of an appeal or proceeding may disregard any error or defect of procedure which does not affect the substantial rights of the parties.
25 Pa. Code § 1021.4
This section cited in 25 Pa. Code § 1021.82 (relating to consolidation).