Internal Audit is a managerial control which functions by measuring and evaluating the effectiveness of the internal control system in an organization.
The accounting officer of a ministry or extra-ministerial office and other arms of government shall ensure that an Internal Audit Unit is established to provide a complete and continuous audit of the accounts and records of revenue and expenditure, asset, allocated and unallocated stores, where applicable.
The internal auditor in charge will be directly responsible to the Chief Accounting Officer, in this case, NAGGW, to the DG/CEO for a detailed audit of the account, and records and for the examination of the system and procedures in force.
Initially he will submit to the Accounting Officer a detailed programme of audit and thereafter he will report monthly to the Accounting Officer on the progress of the audit.
The comprehensive programme of audit shall cover all the records of the ministry, department or unit, to ensure compliance with extent rules and regulations. He will also issue special reports, if necessary, when, in his opinion, the attention of the Accounting Officer and of the accountant-in-charge must be called to an irregularity procedure, or to any apparent in- attention to the report of the Auditor General, or to the earlier audit report(s) issued by him.
This is to ensure that the Agency is carrying out its mandate effectively and efficiently coupled with other financial activities in compliance with the laid down rules and regulations and to ensure that there is value for money at every point in time for all expenditures to ensure that they are adequately managed economically, effectively and efficiently for transparency and accountability.
To provide a complete and continuous audit of the accounts and records of revenue and expenditure, assets, allocated and unallocated stores, where applicable.
To produce monthly, quarterly and half-year reports to the Accounting Officer on the progress of the audit with copies to the Accountant-General and the Auditor-General.
To issue a special reports, when in his opinion, the attention of the Accounting officer and that of the Director of Finance and accounts of the ministry need to be drawn to any irregularity in the accounting records, or to an apparent weakness in the accounting procedure.
To ensure that 100% pre-payment audit of all checked and passed vouchers is carried out and the vouchers forwarded under security schedule directly to the appropriate central pay office.
To submit to the Accounting Officer a detailed annual audit programme with copies to the Accountant- General of the Federation.
To ensure the system for the control of the collection of revenue is adequate, and that all monies received are promptly and adequately lodged into the designated account and accounted for.
To ensure that the safeguards introduced for the prevention or the prompt detection of frauds and loss of cash are adequate. in this regard, safeguard means compliance with extent rules and regulations and the existence of internal checks.
To ensure that the accountant books and records are accurate.
Apart from the internal control function, the Internal Audit shall have free access at all reasonable times to store and store records to carry out independent audit.
To ensure that a system for the control of the issues and consumption of stores is adequate, that all issues are properly authorized, that issues are made to the right persons for the purpose for which they must have been authorized, and that adequate stores records are maintained.
Measuring and evaluating the effectiveness of the international control system. To ensure safeguards of the Agency’s Assets at all times.