7.26—Filing date of extension of protection for purposes of examination in the Office.
        
        (a) 
         If a request for extension of protection of an international registration to the United States is made in an international application and the request includes a declaration of a bona fide intention to use the mark in commerce as set out in  § 2.33(e) of this chapter, the filing date of the extension of protection to the United States is the international registration date.
    
    
        
        (b) 
         If a request for extension of protection of an international registration to the United States is made in a subsequent designation and the request includes a declaration of a bona fide intention to use the mark in commerce as set out in  § 2.33(e), the filing date of the extension of protection to the United States is the date that the International Bureau records the subsequent designation.