(a)
An individual—
(1)
who was born after December 31, 1959, and is or was required to register under section 3 of the Military Selective Service Act (50 App. U.S.C. 453); and
(2)
who is not so registered or knowingly and willfully did not so register before the requirement terminated or became inapplicable to the individual,
shall be ineligible for appointment to a position in an Executive agency.