ABSTRACT
 
 This researches the challenges facing the internal auditors in public corporation.
 A case study of Nigerian Port Authority, Lagos is impartial fulfilment of the condition for the award of Higher National Diploma in Accountancy. It contains useful information on the Internal Audit procedure to the entire department in the authority coming with the scope of audit function. It discusses the weaknesses in the system and suggests way of improving these weaknesses. 
 The recommendation contained there in if prudently implemented will go a long way in alleviating the problem passed by these weakness, facts and figures used in this research work were derived from published journals and various book use in the Authority including questionnaire.
 The management should make the implementation of the recommendations contained in this research a matter of urgency, so as to remedy the weaknesses in the system.
  
 TABLE OF CONTENTS
 Cover page
 Title page
 Certification 
 Dedication 
 Acknowledgement 
 Abstract
 List of tables
 Table of contents
 
 CHAPTER ONE
 1.0 INTRODUCTION 
 1.1 Historical Background of NPA Plc
 1.2 Purpose of Study
 1.3 Significance of Study
 1.4 Statement of Problems
 1.5 Scope and Limitation of Study
 1.6 Hypothesis
 1.7 Research Methodology 
 References
 
 CHAPTER TWO
 2.0 LITERATURE REVIEW
 2.1 The Concept of Internal Auditing 
 2.2 Evolution of Internal Auditing 
 2.3 Positioning of the Internal Auditing Function 
 2.4 Purpose and Objective of Internal Auditing 
 2.5 Internal Control and Its Relevance to the Internal Audit
 2.6 Distinction Between the Internal Auditor and the External Auditor (Statutory Auditor)
 2.7 Main Corporate Objective of the Authority 
 2.8 Role of Internal Audit Department
 2.9 Relationship with other Staff Function and Department
 2.10 The audit master programme
 
 CHAPTER THREE
 3.0 RESEARCH METHODOLOGY
 3.1 Research Design
 3.2 Data Collection Methods 
 3.3 Population Characteristics
 3.4 Sample Size
 3.5 Sample Procedure
 3.6 Reliability of Data
 3.7 Limitations
 References
 
 CHAPTER FOUR
 4.0 DATA ANALYSIS AND PRESENTATION 
 4.1 Data Analysis
 4.2 Restatement of the Hypothesis 
 4.3 Testing of the Hypothesis 
 4.4 Analysis and Evaluation of Questionnaire
 
 CHAPTER FIVE
 5.0 SUMMARY CONCLUSION AND RECOMMENDATION 
 5.1 Summary Findings
 5.2 Conclusion 
 5.3 Recommendations 
 Bibliography
  Questionnaire 
  Glossary
  Definitions of terms