U.S. No. 2.
CFR · 2024-01-01 · US · Title 7
“U.S. No. 2” consists of potatoes which meet the following requirements: (a) Similar varietal characteristics, except when designated as a mixed or specialty pack; (b) Not seriously misshapen; (c) Free from: (1) Freezing; (2) Blackheart; (3) Late blight, southern bacterial wilt and ring rot; and, (4) Soft rot and wet breakdown. (d) Free from serious damage by any other cause. See §§ 51.1564 and 51.1565. (e) Size. Not less than 1 (f) For tolerances see § 51.1546.
official document · source cfr-2024 · id 7:§ 51.1543