The following statement regarding material weaknesses is true: A letter to communication material weaknesses must always include significant deficiencies. Auditors can describe them in the letter of communication of significant deficiencies and material weaknesses or in a separate attachment. The fact that the auditor communicated a significant deficiency or material weakness to those charged with governance and management in a previous audit eliminates the need for the auditor to repeat the communication in the current year if remedial action has not yet been taken. Communication of significant deficiencies and material weaknesses refers to the audit of internal controls