A labor organization shall be deemed to be engaged in an industry
affecting commerce if it:
(a) Is the certified representative of employees under the
provisions of the National Labor Relations Act, as amended, or the
Railway Labor Act, as amended; or
(b) Although not certified, is a national or international labor
organization or a local labor organization recognized or acting as the
representative of employees of an employer or employers engaged in an
industry affecting commerce; or
(c) Has chartered a local labor organization or subsidiary body
which is representing or actively seeking to represent employees of
employers within the meaning of paragraph (a) or (b) of this section; or
(d) Has been chartered by a labor organization representing or
actively seeking to represent employees within the meaning of paragraph
(a) or (b) of this section as the local or subordinate body through
which such employees may enjoy membership or become affiliated with such
labor organization; or
(e) Is a conference, general committee, joint or system board, or
joint council, subordinate to a national or international labor
organization, which includes a labor organization engaged in an industry
affecting commerce within the meaning of any of the preceding paragraphs
of this section, other than a State or local central body.