(a) Each credit union having assets of $10 million or greater shall:(1) prepare and maintain, on an accrual basis, accurate and complete records of its business transactions in accordance with generally accepted accounting principles, except as otherwise directed by regulatory requirements; and(2) prepare its financial statements and reports, including reports to the members, board of directors, management and the department, in accordance with generally accepted accounting principles, except as otherwise directed by regulatory requirements.(b) Credit unions having assets of less than $10 million may use another comprehensive basis of accounting.(c) In addition to the quarterly report to the department as prescribed by the Act, the commissioner may require from all credit unions or from selected categories of credit unions other financial and statistical reports relating to financial condition and accounting practices.