SUBCHAPTER F: ABOVEGROUND STORAGE TANKS …

aboveground storage tank (AST) unless he observes that the owner or operator has a valid, current registration certificate, issued by the agency in accordance with §334.127 of this title (relating to Registration for Aboveground Storage Tanks (ASTs)). (1) For new or replacement AST systems, only during the initial period

  Storage, Tanks, Aboveground, Subchapter, Aboveground storage tanks, Subchapter f