The boundary established in these regulations shall be the basis of the Maryland Environmental Service's designation of the Northeast Maryland Waste Disposal Region as a solid waste disposal service region as provided in Natural Resources Article, §3-106, Annotated Code of Maryland, the basis of the Northeast Maryland Waste Disposal Authority's 5-year planning process, and the basis of the establishment of service districts within the Northeast Maryland Waste Disposal Region pursuant to any duly adopted 5-year plan.