; and (B) by redesignating clause (iii) as clause (iv) and inserting after clause (ii) the following: (iii) for ensuring compliance with the regulations prescribed under section 926(d); or ; (2) in paragraph (3)(B)— (A) by inserting a firearm involved in a crime or after thereof regarding ; (B) by striking , and shall destroy each such form and any record of the contents thereof no more than 20 days after 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 (C) by striking the 2nd sentence