Under PCAOB internal control reporting standards, what are the auditor's communication requirements to the audit committee with respect to material weaknesses?

• All must be communicated in written form.

• All must be communicated in written form or orally.

• Only those that violate the Foreign Corrupt Practices Act need to be communicated, but in written form.

• Only those that violate the Foreign Corrupt Practices Act need to be communicated, in written form or orally.