A. Filing Defined. The date of the filing is the date of delivery or the date of mailing as shown by the postmark or by the date stamp affixed by the mail room at the appellant's correctional institution. Any document filed with the Court shall be accompanied by proof of service of such document on all parties. A document, pleading or motion or other paper is deemed filed with the Court by: (1) delivering the document to the Court; or(2) depositing the document in the U.S. mail or in the mail room at the appellant's correctional institution, properly addressed to the Court, with sufficient first class postage attached.B. Paper Size. All papers filed with the Court shall be on letter-size (8 1/2 by 11 inches) paper. Exhibits or copies of exhibits in their original form which exceed that size shall be reduced by photocopying or otherwise to letter-size so long as such documents remain legible after reduction.S.C. R. P. Admin. Law. Ct. 53