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Such proceedings in the circuit court of appeals shall be given
precedence over other cases pending therein, and shall be in
every way expedited. No order of the commission or judgment
of the court to enforce the same shall in any wise relieve or
absolve any person, partnership, or corporation from any liability
under the anti trust acts.
Complaints, orders, and other processes of the commission under
this section may be served by any one duly authorized by the
commission, either (a) by delivering a copy thereof to the person
to be served, or to a member of the partnership to be served,
or to the president, secretary, or other executive officer or a
director of the corporation to be served; or (b) by leaving a
copy thereof at the principal office or place of business of such
person, partnership, or corporation; or (c) by registering and
mailing a copy thereof addressed to such person, partnership,
or corporation at his or its principal office or place of business.
The verified return by the person so serving said complaint, order,
or other process setting forth the manner of said service shall be
proof of the same, and a the return post office receipt for said
complaint, order, or other process registered and mailed as afore
said shall be proof of the service of the same.

Sec. 6, The commission shall also have power.
(a) To gather and compile information concerning, and to
investigate from time to time the organization, business, conduct,
practices and management of any corporation engaged in commerce,
 excepting banks and common carriers subject to the Act
to regulate commerce, and its relation to other corporations and
to individuals, assocations, and partnerships.
(b) To require, by general or special orders, corporations
engaged in commerce, excepting banks, and common carriers
subject to the Act to regulate commerce, Of any class of them,
or any of them, respectively, to file with the commission in such
form as the commission may prescribe annual or special, or both
annual and special, reports or answers to specific questions, furnishing
 the commission such information as it may require as to
the organisation, business, conduct, practices, management, and
relation to other corporations, partnerships, and individuals of
the respective corporations filing such reports or answers in
writing. Such reports and answers shall be made under oath, or