This part, referred to in subsec. (b), was in the original “this subtitle”, meaning subtitle A (§§ 4001–4029) of title IV of div. A of Pub. L. 116–136, known as the Coronavirus Economic Stabilization Act of 2020, which is classified principally to this part. For complete classification of subtitle A to the Code, see section 4001 of Pub. L. 116–136, set out as a Short Title note under section 9001 of this title, and Tables.