Notwithstanding Sections 2071 to 2075.5, inclusive, the commission may adopt a regulation which adds a species to the list of endangered species or to the list of threatened species as an emergency regulation pursuant to Article 1.5 (commencing with Section 240) to Chapter 2 of Division 1 if the commission finds that there is any emergency posing a significant threat to the continued existence of the species. The commission shall notify affected or interested persons of the adoption of such an emergency regulation pursuant to the methods described in Section 2074.4.