Prohibits insurers from cancelling a homeowner's liability insurance policy based on the ownership of a specific breed of dog

Prohibits insurers issuing policies insuring personal injury and property damage arising out of home ownership or lease, from cancelling or refusing to issue or renew such a policy, or charging increased premiums based upon the harboring of a specific breed of dog on the premises; provides that such provisions shall not apply if the dog harbored has been designated as a dangerous dog pursuant to section 123 of the agriculture and markets law.