Section 984.11 - Merchantable walnuts(a)Inshell. Merchantable inshell walnuts means all inshell walnuts meeting the minimum grade and size regulations effective pursuant to § 984.50 .(b)Shelled. Merchantable shelled walnuts means all shelled walnuts meeting the minimum grade and size regulations effective pursuant to § 984.50 .27 FR 9094, Sept. 13, 1962, as amended at 39 FR 35328, Oct. 1, 1974