Senate committee substitute makes the following changes to the 2nd edition. 

Amends Section 7.3 of the act, deeming any subdivision meeting the previously provided requirements detailed in the Section in compliance with the impervious surface limitations of the act and its implementing rules (previously, directs the Director of the Division of Energy, Mineral, and Land Resources to issue a Director’s Certification in fulfillment of coastal stormwater permitting requirements for any subdivision meeting the three listed requirements). Adds a new provision establishing that the provisions of this Section apply only to impervious surface built prior to January 1, 2017, and that any impervious surface built prior to January 1, 2017, is subject to SL 2008-211 (Improve Coastal Stormwater Management) and its implementing rules.