D.C. Mun. Regs. tit. 18, r. 18-1011
All typewritten documents shall be on strong, durable paper not larger than eight and one-half by fourteen inches (8 in. x 14 in.), except that other documents may be larger if folded to the size of the document to which they are physically attached.
Text shall be double-spaced, except for footnotes and long quotations which may be single-spaced.
Type not smaller than elite shall be used.
The left margin shall be at least one and one-half inches (1 1/2 in.), and all other margins shall be at least one inch (1 in.).
If the document is bound, it shall be bound on the left side.
Papers may be reproduced by any duplicating process, provided all copies are clear and legible.
Appropriate notes or other indications shall be used so that the existence of any matters shown in color on the original will be accurately indicated on all copies.
Unless otherwise specified, an executed original and one (1) copy of each document required or permitted to be filed under this section shall be filed with the Director.
Copies need not be signed, but the name of the person signing the document, as distinguished from the firm or organization he or she represents, shall also be typed or printed on all copies below the space provided for signature.
D.C. Mun. Regs. tit. 18, r. 18-1011