(2) a listing of all publicly available training data and where to obtain it; and (3) a listing of all training data obtainable from third parties and where to obtain it, including for fee.
imo this also includes "the data must be open". The data used for training must be obtainable.
that's your interpeetation. what's missing for me is "must be freely (as in not only by specific entities) obtainable". with this wording i could just say: "this data is not obtainable" and be done with it.