Blue Bird Body Company (Blue Bird) is recalling certain 2020 Blue Bird All American and 2019-2020 Blue Bird Vision school buses, equipped with certain HSM NextGen 45″ 3PT school bus seats, part number GenQ3-45 LH. There may be an insufficient number of bolts attaching the seat to the bus floor, allowing the seat to detach from the bus floor in the event of a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, “Seat Belt Assembly Anchorages.”