56.40—Grading requirements of shell eggs identified with grademarks.
(a)
Shell eggs to be identified with the grademarks illustrated in § 56.36 must be individually graded by a grader or by authorized personnel pursuant to § 56.11 and thereafter check graded by a grader.
(b)
Shell eggs not graded in accordance with paragraph (a) of this section may be officially graded on a sample basis and the shipping containers may be identified with grademarks which contain the words “Sample Graded” and which are approved by the Administrator.