(a) Only persons who are nationals of the United States or who have a domicile, a habitual residence, or a real and effective industrial or commercial establishment in the territory of the United States may file international design applications through the United States Patent and Trademark Office.

(b) Although the United States Patent and Trademark Office will accept international design applications filed by any person referred to in paragraph (a) of this section, an international design application designating the United States may be refused by the Office as a designated office if the applicant is not a person qualified under 35 U.S.C. chapter 11 to be an applicant.