[Code of Federal Regulations] [Title 47, Volume 1] [Revised as of October 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR1.19] [Page 109-110] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION PART 1_PRACTICE AND PROCEDURE--Table of Contents Subpart A_General Rules of Practice and Procedure Sec. 1.19 Use of metric units required. Where parenthesized English units accompany metric units throughout this chapter, and the two figures are not precisely equivalent, the metric unit shall be considered the sole requirement; except, however, that the use of metric paper sizes is not currently required, and compliance with the English unit shall be considered sufficient when the Commission form [[Page 110]] requests that data showing compliance with that particular standard be submitted in English units. [58 FR 44893, Aug. 25, 1993] Parties, Practitioners, and Witnesses