http://m.asx.com.au/glossary/deferred-settlement.htm Where they...

http://m.asx.com.au/glossary/deferred-settlement.htm

Where they say T+3 it is now T+2... just that the ASX have not thought it important enough to go through their website and make important commensurate updates.

Google search also provides some info on Def Settlement.

It builds up a picture.
I believe I have a good handle on it, but on the chance that I may say something wrong, or even right but it is ambiguous or poorly worded and misinterpreted, I will shy away from an explantion. Not that I would not like to help but... would not like to be held responsible for a trade done on the basis of my explanation attempt.

Should be a fun day today ..... Brokers can assist and I think good helpful on-line brokers like Comsec would/should also assist if any uncertainty or worry.