Del. Code 9, § 4819 : Counties — Regional Planning — Notice to local school districts of residential subdivision plans or changes in residential subdivision plans that increase density Date: 2 Sep 2016 TEXT PDF Current through 2016 Legislative Session, Act 399 With respect to the initial approval of a residential subdivision plan or any change in a residential subdivision plan that increases residential density, the county government shall notify the local school district for the area at least 7 days prior to any such approval process. Del. C. § 4819 66 Del. Laws, Sp. Sess., c. 195, § 2.;