; (2) by striking , and shall destroy each such form and any record of the contents thereof no more than 20 days from the date such form is received and inserting and shall retain each such form and any record of the contents of the form for 180 days after the date the form is received ; and (3) by striking the 2nd sentence. 10. Safety devices and warnings to purchasers Section 922(z) of title 18, United States Code, is amended— (1) by inserting and Warnings to Purchasers after Secure Gun Storage or Safety Device ; (2) by striking handgun each place it appears and inserting firearm