An employee organization that has been certified as the exclusive representative of a bargaining unit deemed to be appropriate prior to the effective date of this chapter shall so continue without the requirement of an election and certification until such time as a question concerning representation is appropriately raised under this chapter in accordance with § 1611(b) of this title, or until the Board would find the unit not to be appropriate in accordance with § 1610(f) of this title.
19 Del. C. § 1618