With respect to individuals hired as commercial fishermen a “totally unemployed individual” means an individual who, during a particular week, while still attached to his employer from the standpoint that there did not occur any severance of the employer-employee relationship, earned no wages and performed no services because his employer’s boat was tied up for one or more of the following reasons:
(a) Inclement weather.
(b) Absence of fish in fishable waters.
(c) Lack of orders for fish from buyers.
(d) Boat is laid up for repairs.