The grade of rosin shall be determined by comparing a representative sample, taken and prepared in accordance with the provisions in this part, with the appropriate standard types. The grade shall be the grade designation of the standard type which the sample equals or excels in color, but below the next higher grade.
source: 11 FR 14665, Dec. 27, 1946; 17 FR 221, Jan. 9, 1952; 20 FR 6433, Sept. 1, 1955, unless otherwise noted.
cite as: 7 CFR 160.18