Which statement best describes how the International Code of Ethics for Professional Accountants, including International Independence Standards, (international code) affects the U.S. accounting profession?

CPAs in public practice in the United States are always required to apply the international code.

The AICPA must change its bylaws whenever the international code is updated.

State accountancy boards of accountancy are required to adopt the rules in the international code.

The AICPA agrees to adopt ethics standards that are as stringent as rules in the international code.