How many levels of appeal should there be under a disciplinary procedure?

The Acas code of practice on disciplinary and grievance procedures states that employers should allow an employee to appeal against a formal disciplinary decision, but neither the code nor the non-statutory guidance that accompanies it addresses how many stages of appeal there should be.

One level of appeal against a disciplinary decision would usually be adequate as part of a fair disciplinary procedure. Some disciplinary procedures may provide for a further stage of appeal, particularly in larger organisations or where this results from a collective agreement. In this case, the employer must ensure that it complies with its own procedure.