Form and preparation of tariffs and supplements

Sec. 3. FORM AND PREPARATION OF TARIFFS. (a) Form and size of tariff. All tariffs and supplements thereto shall be in book,

pamphlet, or loose-leaf form of size either 8 x 11 inches or 8 1/2 x 11 inches, and shall be plainly printed, planographed, stereotyped, or prepared

by other similar durable process on paper of good quality. All tariffs and supplements thereto which are filed and posted shall be clearly legible.

Typewritten or proof sheets shall not be used for filing or posting.

(b) Size of type. The type used shall be of size not less than 8 point bold or full face, except that 6 point bold or full face type may be used

for explanation of reference marks and for column headings. No alteration in writing or erasure shall be made in any tariff or supplement

thereto.

(c) Margin on binding edge. A margin of not less than five-eighths of an inch, without any printing thereon, shall be allowed at the binding

edge of each tariff or supplement thereto.

(d) Tables of rates to be ruled and spaced. When rates, rate basis numbers, numerals, or letters for other purposes are shown in tables, the

tables shall be ruled from top to bottom. When not more than three figures or letters, including reference characters, are employed, the columns shall

be not less than one-fourth of an inch in width with a correspondingly greater width when more than three figures or letters, including reference

characters, are employed. Such tables shall not contain more than six horizontal lines without a break in the printed matter by a ruled line or at least

one blank space across the page.

(e) Loose-leaf tariffs. Pages of loose-leaf tariffs shall be printed on thin paper of strong texture on one side only, must be consecutively

numbered in the upper left-hand corner and designated as "Original Page 1", "Original Page 2", etc. Each page must show at the top of the page the

name of the carrier or agent, the page number, and the P.S.C.I. number of the tariff. At the bottom of the page shall be shown, the date of issue, the

effective date, and the name, title, and street address of the issuing carrier or agent.