Which of the following statements about legal letters is incorrect?

Legal letters may include information regarding various types of litigation, such as that arising from the potential violation of anti-trust, tax, or securities law.

Legal letters provide the auditor with corroborating evidence concerning contingent liabilities such as litigation, claims, and assessments.

Legal letters are returned from the attorney to the client, for review and presentation to the auditor.

Refusal by the entitys attorney(s) to provide a legal letter may lead to a scope limitation on the audit.