[Code of Federal Regulations] [Title 36, Volume 3] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 36CFR1193.39] [Page 513] TITLE 36--PARKS, FORESTS, AND PUBLIC PROPERTY CHAPTER XI--ARCHITECTURAL AND TRANSPORTATION BARRIERS COMPLIANCE BOARD PART 1193--TELECOMMUNICATIONS ACT ACCESSIBILITY GUIDELINES--Table of Contents Subpart C--Requirements for Accessibility and Usability Sec. 1193.39 Prohibited reduction of accessibility, usability, and compatibility. (a) No change shall be undertaken which decreases or has the effect of decreasing the net accessibility, usability, or compatibility of telecommunications equipment or customer premises equipment. (b) Exception: Discontinuation of a product shall not be prohibited.