[§392-4] Place of performance. (a) "Employment" includes an individual's entire service, performed within or both within and without this State if:
(b) The term "employment" also includes all service performed by an officer or member of the crew of an American vessel on or in connection with such vessel; provided that the operating office from which the operations of the vessel operating on navigable waters within or within and without the United States is ordinarily and regularly supervised, managed, directed, and controlled is within this State. [L 1969, c 148, pt of §1]