Equine law is generally defined as the body of law (statutes, court opinions) that governs the ownership, buying, selling, riding, breeding, racing, training, handling, insuring, and boarding of horses—and membership and participation in related organizations and activities. For example, contracts often define these transactions, relationships, and activities, and statutes often limit the personal injury liability of owners and operators of equine-related events and activities.

In Idaho, equine law encompasses various legal aspects related to horses, including ownership, sale, riding, breeding, racing, training, handling, insuring, and boarding. Contracts are commonly used to outline the terms and conditions of these activities and relationships. Idaho, like many states, has enacted specific statutes that limit the liability of equine professionals and event operators for injuries to participants, provided that certain conditions are met. This is often referred to as an 'equine activity statute.' Idaho's equine activity statute can be found in Idaho Code § 6-1801 and following sections. This law requires that equine professionals and event sponsors provide visible warning signs to alert participants of the inherent risks of equine activities and to obtain signed acknowledgments of these risks. The statute also outlines specific instances where the equine professional or event operator is not protected from liability, such as if there is a failure to properly maintain equipment or if they provide an animal that is known to be dangerous. It is important for those involved in equine activities to understand these laws and to ensure that their practices comply with state regulations and statutes to minimize liability risks.