A person employed on a ship who otherwise has dual coverage under the social security taxation and coverage laws of both countries will only have coverage under the laws of the country whose flag the ship flies.

A person employed as an officer or member of the crew on an aircraft who would otherwise have coverage under the laws of both the United States and Brazil, will have coverage only in the country where the employer has its headquarters.

EXCEPTION: A person sent by a Brazilian air transport organization to work as ground personnel in the United States will have coverage only under Brazilian laws, regardless of the length of transfer.

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  American vessel and American aircraft defined, RS 01901.150

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  Coverage under International Totalization Agreements, RS 01901.450

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  Employment on Foreign Vessels or Foreign Aircraft, RS 01901.170

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  Coverage of Employment Within and Outside the United States, RS 01901.030 -RS 01901.070