14 Del. C. § 4018: Status of existing exclusive representative.

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 § 4011(b) of this title, or until the Board would find the unit not to be appropriate in accordance with § 4010(f) of this title.