Ø To check comparative logs for exceptions to correct errors. Ø To ensure completeness and accuracy for information on the internet for billing purposes. Ø To correct database records when return mail received from on Oracle. Ø To ensure that flights are billed correctly and to adjust the original billing as per billing both. Ø Ensure that invoices are raised with the correct Tax output. Ø To engage with both internal and and external stakeholders to confirm if the services have been rendered or completed before the revenue