(a) In order to allow for variations incident to commercial grading and handling, any lot of cabbage may, as limited by this section, contain cabbage that does not meet the grade requirements for the lot's grade.
(b) In any lot of Grade No. 1 cabbage:
(1) not more than five percent by weight may fail to meet the size requirement; and
(2) not more than three percent by weight may fail to meet the grade requirements other than size.