[Zedn]

The requirements changed ages ago (i think 2008). Its just that some of the states let you lock in your ADRs when you commence. It has been a requirement in NSW for years. There are very few seats that comply with the current ADR.

To be honest i think they have really got it wrong with the new requirement. I have found that in my 2010 model car the seat really makes it difficult to see when reversing or changing lanes. I doubt the extra 50mm would be any benefit for preventing whiplash as very few peoples head would be high enough above the old height.