If a director of a national security laboratory of the Administration determines that a Federal regulation could inhibit the ability of the Administrator to maintain the safety, security, or effectiveness of the nuclear weapons stockpile without engaging in explosive nuclear testing, such director, not later than 15 days after making such determination, shall submit to Congress a notification of such determination.

Each notification required by subsection (a) shall be submitted in unclassified form, but may include a classified annex.