; or (B) allows employees to store firearms in a vehicle lockbox approved by the Director of the Bureau of Prisons; and (2) notwithstanding any other provision of law, allows employees to carry concealed firearms on the premises outside of the secure perimeter of the institution. . (b) Technical and conforming amendment The table of sections for chapter 303 of title 18, United States Code, as amended by this Act, is further amended by adding at the end the following: 4050. Secure firearms storage. . III Restraints on Pregnant Prisoners Prohibited 301. Use of restraints on prisoners during the period of pregnancy and postpartum recovery prohibited (a) In general Chapter 317 of title 18, United States Code, is amended by inserting after section 4321 the following: 4322. Use of restraints on prisoners during the period of pregnancy, labor, and postpartum recovery prohibited (a) Prohibition Except as provided in subsection (b), beginning on the date on which pregnancy is confirmed by a healthcare professional, and ending at the conclusion of postpartum recovery, a prisoner in the custody of the Bureau of Prisons, or in the custody of the United States Marshals Service pursuant to section 4086, shall not be placed in restraints. (b) Exceptions (1) In general The prohibition under subsection (a) shall not apply if— (A) an appropriate corrections official, or a United States marshal, as applicable, makes a determination that the prisoner— (i) is an immediate and credible flight risk that cannot reasonably be prevented by other means; or (ii) poses an immediate and serious threat of harm to herself or others that cannot reasonably be prevented by other means