ALM GL ch. 112 12V 1/2(b)
Liability: Use of an AED
An individual who completes AED training and who, in good faith, uses it on someone appearing to need CPR or defibrillation will not be held legally responsible. They can be held legally responsible if acting with carelessness.
Automatic External Defibrillation
Any AED provider who in good faith renders emergency cardiopulmonary resuscitation or automatic external defibrillation, in accordance with his training through a public access defibrillation program, to any person who apparently requires cardiopulmonary resuscitation or defibrillation, shall not be liable for acts or omissions, other than gross negligence or willful or wanton misconduct, resulting from the rendering of emergency cardiopulmonary resuscitation or defibrillation.