Section 8. Internal Audit Service. — The Internal Audit Service shall conduct comprehensive audit of various Department activities. Specifically, it shall have the following functions:

1. Advice the Secretary on all matters relating to management control and operations audit;

2. Conduct management and operations performance audit of Department activities and units and determine the degree of compliance with established objectives, policies, methods and procedures, government regulations, and contractual obligations of the Department;

3. Review and appraise systems and procedures, organizational structure, assets management practices, accounting and other records, reports and performance standards (such as budgets and standard cost) of the Department Proper, Bureaus and Regional Offices;

4. Analyze and evaluate management deficiencies and assist top management to solve the problems by recommending realistic courses of action; and

5. Perform such other related duties and responsibilities as may be assigned or delegated by the Secretary or as may be required by law.