Del. Code tit. 3, § 7336

When the percentage of Bang’s disease infected cattle within a county, hundred, district or other designated area enrolled in the area or any other plan of Bang’s disease testing approved by the Department of Agriculture, as shown by the last preceding Bang’s disease test of all breeding and dairy cattle within the county, hundred, district or other designated area is reduced to meet the requirements of a “modified accredited area,” as officially defined by the United States Department of Agriculture, the Department shall apply to the United States Department of Agriculture for the certification of such county, hundred, district or other designated area as a “modified accredited area.”