250.57—Notices and reports to be filed under section 33.
        
        (a) Notification of Status as Foreign Utility Company.
         Form U-57 ( § 259.207 of this chapter ), notification of status as a foreign utility company, may be filed by, or on behalf of, an entity that seeks to become a foreign utility company. If the criteria of  section 33 of the Act are otherwise met, the entity shall be deemed to be a foreign utility company upon the filing of such form.
    
    
        
        (b) Reporting Requirement for Associate Public-Utility Companies.
         A United States public-utility company that is an associate company of a foreign utility company shall file with the Commission a report on Form U-33-S ( § 259.405 of this chapter) on or before May 1 of each year. This requirement shall not apply to public-utility companies that are subsidiaries of a registered holding company or of a holding company that is exempt from registration under  section 3(a) (1) or (2) of the Act, pursuant to  section 250.2. In addition, a holding company that is exempt from registration by Commission order may file a single Form U-33-S on behalf of all of its public-utility subsidiaries.