Non-binding

Non-binding or nonbinding may refer to
 * Nonbinding allocation of responsibility (NBAR) in a superfund
 * Non-binding authority in law
 * Non-binding arbitration
 * Non-binding constraint, mathematics
 * Non-binding opinion in patent law:
 * International preliminary report on patentability objective
 * Non-binding opinion (United Kingdom patent law)
 * Non-binding resolution
 * Non-binding referendum