37 CFR §1.1066

1. (a)Unless the correspondence address is changed in accordance with § 1.33(a), the Office will use as the correspondence address in a nonprovisional international design application the address according to the following order:
   1. (1)The correspondence address under § 1.1042;
   2. (2)The address of applicant's representative identified in the publication of the international registration; and
   3. (3)The address of the applicant identified in the publication of the international registration.
2. (b)Reference in the rules to the correspondence address set forth in § 1.33(a) shall be construed to include a reference to this section for a nonprovisional international design application.