In order to use alien crewmembers to perform longshore activities at a particular location in the State of Alaska an employer shall submit an attestation on Form ETA 9033-A. As noted at Sec. 655.502, ``Definitions,'' for purposes of Sec. Sec. 655.530 through 655.541, which govern the performance of longshore activities by alien crewmembers under the Alaska exception, ``employer'' includes any agent or representative designated by the employer. An employer may file a single attestation for multiple locations in the State of Alaska.