Sterling and Company,LLP,has Just Established Its Business as the Newest

Sterling and Company,LLP,has just established its business as the newest accounting firm in town.There are eight general partners and a number of new graduates hired as associates.They intend to specialize in audits of public companies.Which of the following is not correct with regard to how Sterling and Company,LLP needs to conduct its business?

A) It must register with the Public Company Accounting Oversight Board.
B) It must retain all audit papers for a period of at least ten years.
C) It must be sure to have a second partner review and approve audit reports prepared by the firm.
D) It must assure that the auditors revolve off the audits every five years.
E) It must refrain from providing any non-audit services to its clients other than tax preparation.