A composting facility required to obtain a Composting Facility Permit under this chapter shall submit to the Department a notice of final closure within 270 calendar days after receipt of the final load of feedstocks. Notice of final closure required under §A of this regulation shall include: The date of final feedstock receipt; and A site closure plan that provides for: Management of all feedstock and active, curing, and finished compost and compost-blended products remaining on site; Treatment or removal of contact water stored in containment structures or ponds; Removal of compost within 12 months from the time it is finished; and Removal of all other materials on site, including any solid wastes or feedstocks that are not being composted, within 12 months of receipt of the final load of feedstocks, unless the material is being used as part of site closure as described in the site closure plan. A composting facility, other than one operated on a seasonal basis only, as specified in the CFOP, that does not receive material for 270 calendar days shall be deemed abandoned in violation of this regulation unless properly closed, and its permit shall be suspended.