“U.S. No. 3” consists of oranges which meet the following requirements:

(a) Basic requirements:

(1) Mature;

(2) May be misshapen;

(3) May be poorly colored. Not more than 25 percent of the surface may be of a solid dark green color;

(4) May be slightly spongy;

(5) May have rough texture;

(6) Not seriously lumpy or cracked; and

(7) Similar varietal characteristics.

(b) Free from:

(1) Decay;

(2) Unhealed skin breaks; and

(3) Wormy fruit.

(c) Free from very serious damage caused by other means.

(d) For tolerances see § 51.689.