CONSEQUENCES FOR PARENTS WHO ALLOW UNDERAGE DRINKING: Parents who give alcohol to their teen’s friends under any circumstances, even in their own homes, are breaking the law. You cannot knowingly allow a person under 21, other than your own child, to remain in your home or on your property while consuming or possessing alcohol. Others can sue you if you give alcohol to anyone under 21, and they in turn, hurt someone, hurt themselves or damage property. You can be arrested for unlawfully dealing with a child, and/or Endangering the welfare of a child, Under the New York State Penal law and other charges …