P plates at different colors

I bought two P plates yesterday. But I found there are two colors for each, one is red, and the other is green. I am confused with this.

Could anyone please tell me how to use the P plates as the colors as concerned?

Thanks a lot.

绿的这里用不到，nsw 用的

绿的这里用不到，nsw 用的
ta2693 发表于 2009-12-10 13:37

xiexie

It is no wonder that ONLY NSW is printed on the packaging.!!!!

咋sa能买到绿的呢?

咋sa能买到绿的呢?
快客搬家货运 发表于 2009-12-10 15:26

I came across getting them, and I got them at Coles near the fuel station.

对偶。。为啥sa能买到绿的呢。。