404.1031—Fishing.
(a)
If you work on a boat engaged in catching fish or other forms of aquatic animal life, your work is not employment if you have an arrangement with the owner or operator of the boat which provides for all of the following:
(4)
The operating crew of the boat (or each boat from which you receive a share if the fishing operation involves more than one boat) is normally made up of fewer than 10 individuals.
(b)
Work excluded from employment under this section is considered to be self-employment ( § 404.1068(e) ).