This is an accurate description of the legal US grading system as of March 2, 2015 (under 7 U.S.C. 1621-1627). For anyone interested, here&#x27;s a link to the official USDA guidelines (grading is §52.5962 on page no. 2, which is actually page 4 of the PDF):<p><a href="http:&#x2F;&#x2F;www.ams.usda.gov&#x2F;sites&#x2F;default&#x2F;files&#x2F;media&#x2F;MapleSyrupStandards.pdf" rel="nofollow">http:&#x2F;&#x2F;www.ams.usda.gov&#x2F;sites&#x2F;default&#x2F;files&#x2F;media&#x2F;MapleSyrup...</a>