Case.
Case. Case means the number of containers (cased or uncased) which, by the particular industry are ordinarily packed in a shipping container.
Source
50 CFR § 260.6
Scoping language
Words in the regulations in this part in the singular form shall be deemed to import the plural and vice versa, as the case may demand. For the purposes of the regulations in this part, unless the context otherwise requires, the following terms shall have the following meanings: