§31.3306(c)(4)-1 Services on or in connection with a non-American vessel or aircraft.

(a) Services performed within the United States by an employee for an employer “on or in connection with” a vessel not an American vessel, or “on or in connection with” an aircraft not an American aircraft, are excepted from employment if the employee is employed by the employer “on and in connection with” the vessel or aircraft when outside the United States.

(b) An employee performs services on and in connection with the vessel or aircraft if he performs services on the vessel or aircraft when outside the United States which are also in connection with the vessel or aircraft. Services performed on the vessel outside the United States by employees as officers or members of the crew, or by employees of concessionaires, of the vessel, for example, are performed under such circumstances, since such services are also connected with the vessel. Similarly, services performed on the aircraft outside the United States by employees as officers or members of the crew of the aircraft are performed on and in connection with such aircraft. Services may be performed on the vessel or aircraft, however, which have no connection with it, as in the case of services performed by an employee while on the vessel or aircraft merely as a passenger in the general sense. For example, the services of a buyer in the employ of a department store while he is a passenger on a vessel are not in connection with the vessel.