Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Mitsubishi for this TSB. Call your local Mitsubishi dealer's service department & ask for a copy of TSB# TSB0051002.
THIS BULLETIN CONTAINS INFORMATION CONCERNING THE ELIMINATION OF THE FRONT LICENSE PLATE BRACKET ON NEW MMMA PRODUCED VEHICLES DESTINED FOR STATES WHICH REQUIRE NO FRONT LICENSE PLATE. *TT