Most states in this country have provisions for a lien sale of items such as a horse that one is boarding whose owner is not paying for its feed and stable. There are specific ways to have a lien sale of the horse that you are not being paid for requiring notice to the owner before the auction of the animal that have to be strictly complied with by you.For instruction on what must be done, I suggest that you consult with an attorney that practices in the area of equine law to make sure you adhere to proper procedures.