When did these changes take place?

[scalessmoked]

It means that the seller isn't "officially authorised to sell the product". It isn't illegal – just isn't officially recognised by the manufacturer. For example a grey importer will buy them cheap from a place like Hong Kong and then re-sell them to Australians at a lower-than-retail price.This usually means you're missing out on a quality guarantee that you come to expect when buying from an Australian retailer.