Section 15.401 - General Provisions(1) Except as set forth in 310 CMR 15.401 through 15.422, every application to construct, upgrade or expand a system shall be prepared, and the work therefore authorized pursuant to a Disposal System Construction Permit shall be conducted, in full compliance with the procedural and technical requirements of 310 CMR 15.100 through 15.293.(2) In general, full compliance with the provisions of 310 CMR 15.000 is presumed to be necessary for the protection of public health, safety, welfare and the environment. Any requests to vary from the standards of 310 CMR 15.000 by means of a local upgrade approval or a variance shall be carefully reviewed by the Approving Authority and, where required, by the Department.Amended by Mass Register Issue 1499, eff. 7/7/2023.Amended by Mass Register Issue 1501, eff. 7/7/2023.