(50)While compliance with the best-interests-of-creditors test should be examined by a judicial or administrative authority only if the restructuring plan is challenged on that ground in order to avoid a valuation being made in every case, Member States should be able to provide that other conditions for confirmation can be examined ex officio . Member States should be able to add other conditions which need to be complied with in order to confirm a restructuring plan, such as whether equity holders are adequately protected. Judicial or administrative authorities should be able to refuse to confirm restructuring plans which have no reasonable prospect of preventing the insolvency of the debtor or ensuring the viability of the business. However, Member States should not be required to ensure that such assessment is made ex officio .