§ 3902. Judicial review of regulations

- **(A)** through
- **(D)** of section 706(2) of title 5 . If the court determines that the regulation is invalid, the court shall apply, to the extent necessary and appropriate, the most relevant substantive executive agency regulation promulgated to implement the statutory provisions with respect to which the invalid regulation was issued. Except as provided in this section, the validity of regulations issued under this chapter is not subject to judicial review.