An owner of an ammonium nitrate facility shall not transfer possession of ammonium nitrate from the ammonium nitrate facility to any ammonium nitrate purchaser who is not registered under subsection (c) or (d) of section
488a of this title, or to any agent acting on behalf of an ammonium nitrate purchaser when such purchaser is not registered under subsection (c) or (d) of section
488a of this title.