Except as described in §712.25, at the time a chemical substance is listed in §712.3, the following persons must submit the “Manufacturer's Report—Preliminary Assessment Information” (as described in §712.28) for each plant site at which they manufactured or imported the chemical substance during the reporting period specified in §712.30:

(a) Persons who manufactured one or more of the chemical substances listed in §712.30 for commercial purposes.

(b) Persons who imported in bulk form one or more of the chemical substances listed in §712.30 for commercial purposes.