[Code of Federal Regulations] [Title 45, Volume 1] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 45CFR162.915] [Page 720-721] TITLE 45--PUBLIC WELFARE SUBTITLE A--DEPARTMENT OF HEALTH AND HUMAN SERVICES PART 162_ADMINISTRATIVE REQUIREMENTS--Table of Contents Subpart I_General Provisions for Transactions Sec. 162.915 Trading partner agreements. A covered entity must not enter into a trading partner agreement that would do any of the following: [[Page 721]] (a) Change the definition, data condition, or use of a data element or segment in a standard. (b) Add any data elements or segments to the maximum defined data set. (c) Use any code or data elements that are either marked ``not used'' in the standard's implementation specification or are not in the standard's implementation specification(s). (d) Change the meaning or intent of the standard's implementation specification(s).