430 ILCS 65/4.1: Assault weapon, .50 caliber rifle, assault weapon attachment, or .50 caliber cartridge endorsement.

(a) The endorsement affidavit form completed pursuant to Section 24-1.9 of the Criminal Code of 2012 must be executed electronically through the individual's Firearm Owner's Identification Card account.

(b) The Illinois State Police shall adopt rules in accordance with this Section for the electronic submission of an endorsement affidavit.

(c) Entering false information on the endorsement affidavit form is a violation of this Act and is also punishable as perjury under Section 32-2 of the Criminal Code of 2012.