This bill, titled "Ethan's Law," aims to enhance public safety by requiring the secure storage of firearms in residences. It makes it unlawful for a person to store a firearm on their premises if they know or reasonably should know that a minor or an individual ineligible to possess a firearm is likely to gain unauthorized access. This federal mandate applies to firearms that have moved in interstate or foreign commerce, with exceptions for firearms secured with a secure gun storage or safety device , stored in a reasonably secure location, or carried on the person. Violations of this safe storage requirement would incur a $500 fine. An enhanced penalty , including fines and up to five years imprisonment, applies if a minor or ineligible person obtains an improperly stored firearm due to the violation and causes injury or death. The legislation also establishes a Firearm Safe Storage Program , authorizing grants to states and Indian Tribes that enact laws functionally identical to the federal safe storage provision, helping them with enforcement and compliance. States and tribes with such laws will also receive affirmative preference for certain federal discretionary grants as an incentive. The bill includes a Sense of Congress stating that failure to comply with secure storage constitutes negligence and should be considered the proximate cause of harm if it leads to injury or death from a firearm discharge.