CFR / 
Title 7
 / 
Part 51
 / 
Sec. 51.622 U.S. No. 1 Bright.
The requirements for this grade are the same as for U.S. No. 1 except that no fruit may have more than one-tenth of its surface, in the aggregate, affected by discoloration.
(a) For tolerances see Sec. 51.628.