I purchased a table salt package from a local Gold Coast grocery store for our domestic style home salt grinder. The package was marked as natural rock salt in large capital letters on the front and underneath it states evaporated sea salt in smaller capital letters. While obviously that is possible, otherwise the government advertising officials might have taken action, some might have thought rock salt came from salt mines, thus the term rock, rather than evaporated sea salt. Just that I don't encounter many salt rocks in the local ocean beaches.
The package had a use by date of March 2023 and purchased in March 2021, suggesting the product was not usable after that date. That had me curious as I recall from my history books salted meat and fish etc was how certain foods were preserved and transported long distances in the sailing ship era. Also recall salted foods is how food was carried in early explorer stories.
The brand is Saxa although I suspect similar with other brands, without an extensive check.