Law-Enforcement Innovate to De-Escalate ActThis bill removes less-than-lethal projectile devices (e.g., certain TASERs) from regulation under the Gun Control Act.The term less-than-lethal projectile device means a device that (1) is not designed or intended to expel (and may not be readily converted to discharge) commonly used ammunition or projectiles exceeding a velocity of 500 feet per second; (2) is designed and intended to be used in a manner not likely to cause death or serious bodily injury; and (3) does not accept (and cannot be readily modified to accept) an ammunition feeding device.The bill also requires the Bureau of Alcohol, Tobacco, Firearms and Explosives to determine whether a device satisfies the definition of a less-than-lethal projectile device within 90 days of a request.