XIII. DEPOSITIONS IN CONTESTED PROCEEDINGS.

The Commission may order testimony to be taken by deposition in a contested proceeding.

Depositions may be taken before any person designated by the Commission and having power to administer oaths.

Any party desiring to take the deposition of a witness. shall make application in writing, setting out the reasons why such deposition should be taken, and stating the time when, the place where, and the name and post-office address of the person before whom it is desired the deposition be taken, the name and post-office address of the witness, and the subject matter or matters concerning which the witness is expected to testify. If good cause be shown, the Commission will make and serve upon the parties, or their attorneys, an order wherein the Commission shall name the witness whose deposition is to be taken and specify the time when, the place where, and the person before whom the witness is to testify, but such time and place, and the person before whom the deposition is to be taken, so specified in the Commission's order, may or may not be the same as those named in said application to the Commission.

The testimony of the witness shall be reduced to writing by the officer before whom the deposition is taken, or under his direction, after which the deposition shall be subscribed by the witness and certified in usual form by the officer. After the deposition has been so certified it shall, together with a copy thereof made by such officer or under his direction, be forwarded by such officer under seal in an envelope addressed to the Commission at its office in Washington, D. C. Upon receipt of the deposition and copy the Commission shall file in the record in said proceeding such depo

sition and forward the copy to the defendant or the defend

ant's attorney.

Such depositions shall be typewritten on one side only of the paper, which shall be not more than 8 inches wide and not more than 11 inches long and weighing not less than 16 pounds to the ream, folio base, 17 by 22 inches, with left-hand margin not less than 1 inches wide.

No deposition shall be taken except after at least 6 days' notice to the parties, and where the deposition is taken in a foreign country such notice shall be at least 15 days.

No deposition shall be taken either before the proceeding is at issue, or, unless under special circumstances and for good cause shown, within 10 days prior to the date of the hearing thereof assigned by the Commission, and where the deposition is taken in a foreign country it shall not be taken after 30 days prior to such date of hearing.

XIV. DOCUMENTARY EVIDENCE.

Where relevant and material matter offered in evidence is embraced in a document containing other matter not material or relevant and not intended to be put in evidence, such document will not be filed, but a copy only of such relevant and material matter shall be filed.

XV. BRIEFS.

Unless otherwise ordered, briefs may be filed at the close of the testimony in each contested proceeding. If briefs are filed, the exceptions, if any, to the Examiner's report must be incorporated in the briefs. The presiding Commissioner or Examiner shall fix the time within which briefs shall be filed and service thereof shall be made upon the adverse parties. All briefs must be filed with the Secretary and be accompanied by proof of service upon the adverse parties. Twenty copies of each brief shall be furnished for the use of the Commission, unless otherwise ordered.

Application for extension of time in which to file any brief shall be by petition in writing, stating the facts upon which the application rests, which must be filed with the Commission at least 5 days before the time for filing the brief. Every brief shall contain, in the order here stated— (1) A concise abstract, or statement of the case.

(2) A brief of the argument, exhibiting a clear statement of the points of fact or law to be discussed, with the reference to the pages of the record and the authorities relied upon in support of each point.

Every brief of more than 10 pages shall contain on its top fly leaves a subject index with page references, the subject index to be supplemented by a list of all cases referred to, alphabetically arranged, together with references to pages where the cases are cited.

Briefs must be printed in 10 or 12 point type on good unglazed paper 8 inches by 10 inches, with inside margins not less than 1 inch wide, and with double-leaded text and single-leaded citations.

Oral arguments will be had only as ordered by the Commission.

XVI. ADDRESS OF THE COMMISSION.

All communications to the Commission must be addressed to Federal Trade Commission, Washington, D. C., unless otherwise specifically directed.