Mod 42-
Correct. And since this is a legitimate chumra, it is brought down in halacha even those who aren’t generally machmir should be machmir during Aseres Yemei Teshuva. However, based on the reasoning I mentioned above, some poskim hold that regarding any goods distrubuted by a company there is no reason to be machmir, and that the bread certified by the OU does not even constitute Pas Palter.