Thank you all for your replies.
To process this task more than once a year (13,000 Pensioner accounts, and approx. 3,000 rejected each time) will generate a lot of repeated work as Centrelink file does not always match the order of ownership as per land titles and plus other small discrepancy issues.
Yes, David I have been Audited by the Audit office and they want everything to mirror, reports to run at same time, same day, so if you are out by $1.00 or one number they want to fully investigate and have it justified , and when you do, they will still report it. It is a no win situation.
They ask for the possibility to do but not necessary can be done.
thanks again.