With respect to individuals hired as commercial fishermen a “partially unemployed individual” means an individual who, during a particular week meets all of the following conditions:

1. (a) Was employed by his or her regular employer in the act of catching or attempting to catch fish.
2. (b) Was during the week continuously attached to his or her employer from the standpoint that there did not occur any severance of the employer-employee relationship.

3. (c)

   1. (1) Worked less than normal customary full-time hours or full number of days per week for his or her regular employer because of lack of full-time work, or
   2. (2) If normal customary full-time hours or full number of days per week are not determinable, he or she worked less than four (4) days during a payroll week for his or her regular employer because of lack of full-time work.
4. (d) Earned wages which, when reduced by twenty-five dollars ($25) or 25 percent of the wages, whichever is greater, do not equal or exceed his or her weekly benefit amount.