If your serial number is in the pre ban range it's not a problem. Benelli M1 Super 90 M1507xx, imported 12/01/92, pre-ban
M17142x, imported 1993, pre-ban
M1978xx, imported 08/94, pre-ban
M19833x, imported 09/19/94, post-ban*
M200050, imported 09/05/94, pre-ban*
M200100, imported 09/05/94, pre-ban*
M200111, imported 09/05/94, pre-ban*
M202200, imported 09/30/94, post-ban
M205200, imported 10/04/94, post-ban
M201xxx, imported 10/26/94, post-ban
M210025, imported 01/1995, post-ban
M215900, imported 03/1995, post-ban