It shall be unlawful for any person—
(1)
to violate any provision of subchapter I or subchapter II of this chapter or this subchapter,
(2)
to violate any rule, regulation, or order issued pursuant to any such provision or any provision of section
6363 of this title; or
(3)
to fail to comply with any provision prescribed in, or pursuant to, an energy conservation contingency plan which is in effect.