(a) Every labor organization shall file with the Office of Labor-Management Standards the report and (subject to the provisions of paragraph (b) of this section, where applicable) a copy of its constitution and bylaws required by section 201(a) of the Act and § 402.2, together with one additional copy of each, within 90 days after the date on which it first becomes subject to the Act.

(b) A labor organization subject to paragraph (a) of this section may adopt or may have adopted as its constitution and bylaws (whether by formal action or by virtue of affiliation with a parent organization) a constitution and bylaws of a national or international labor organization which the national or international organization is required to file under section 201(a) of the Act and this part. In such a case, a filing by the national or international labor organization of copies of such constitution and bylaws will be accepted as a filing of such documents by each such adopting labor organization within the meaning of section 201(a) of the Act and this part, if the following conditions are met: