As a result of a number of events that caused Congress to doubt the ability of the accounting profession to regulate itself, a number of reforms were made to the accounting profession's system of self-regulation.

a. Provide a brief overview of the legislation that altered the self-regulation process of the accounting profession.

b. Briefly explain the regulation process for accounting firms that audit public companies.

c. Briefly explain the regulation process for accounting firms that do not audit public companies.