[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR808.101] [Page 90] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 808_EXEMPTIONS FROM FEDERAL PREEMPTION OF STATE AND LOCAL MEDICAL DEVICE REQUIREMENTS--Table of Contents Subpart C_Listing of Specific State and Local Exemptions Sec. 808.101 District of Columbia. (a) The following District of Columbia medical device requirements are enforceable, notwithstanding section 521 of the act, because the Food and Drug Administration has exempted them from preemption under section 521(b) of the act: (1) Act 2-79, section 5, to the extent that it requires an audiological evaluation for children under the age of 18. (2) Act 2-79, section 6, on the condition that in enforcing section 6(a)(5), the District of Columbia apply the definition of ``used hearing aid'' in Sec. 801.420(a)(6) of this chapter. (b) The following District of Columbia medical device requirement is preempted by section 521(a) of the act, and the Food and Drug Administration has denied it an exemption from preemption under section 521(b) of the act: Act 2-79, section 5, except as provided in paragraph (a) of this section. [46 FR 59236, Dec. 4, 1981]