Supermarket giant Coles has been banned for three years from advertising its bread was made or baked on the same day it was sold when this is not the case.

Coles was also ordered to display a Federal Court notice in its stores and on its website telling shoppers that it had broken Australian consumer law by falsely advertising bread products as "freshly baked" and "baked today".

Coles will not be able to label bread baked overseas and frozen "fresh" for three years.

Former premier Jeff Kennett, whose complaint about a loaf of Coles bread triggered an investigation by the federal consumer watchdog, said the ruling was a win for consumers.

The Australian Competition and Consumer Commission launched proceedings against Coles in June 2013, accusing the supermarket chain of misleading consumers to think bread was made on the day at the store when, in some cases, the bread had been partially baked months earlier in overseas factories.