Professional Auditing Services

The vendor is required to provide qualified certified public accountant firms to audit its financial statements fiscal years ending June 30, 2026, 2027, and 2028 with the option to renew for fiscal years ending June 30, 2029, and 2030.
- The audit firm will perform an audit of all funds of the city.
- The audit will be conducted in accordance with auditing standards generally accepted in the country and government auditing standards, issued by the comptroller of country.
- The audit firm will render their auditors' report on the basic financial statements which will include both government-wide financial statements and fund financial statements.
- The audit firm will prepare the annual state controller's report for the city and the diamond bar public financing authority in conjunction with the annual audit.
- The audit firm will perform a single audit on the expenditures of federal grants in accordance with and render the appropriate audit reports on internal control over financial reporting based upon the audit of the city's financial statements in accordance with government auditing standards and the appropriate reports on compliance with requirements applicable to each major program, internal control over compliance and on the schedule of expenditures of federal awards in accordance the uniform guidance.
- The single audit report will include appropriate schedule of expenditures of federal awards, footnotes, findings and questioned costs, including reportable conditions and material weaknesses, and follow up on prior audit findings where required.
- The audit firm shall issue a separate "management letter" that includes recommendations for improvements in internal control, accounting procedures and other significant observations that are considered to be non-reportable conditions.
- Reasonable inquiries of successor auditors and allow successor auditors to review working papers relating to matters of continuing accounting significance.

- Contract Period/Term: 3 years