[Code of Federal Regulations] [Title 21, Volume 6] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR514.121] [Page 81] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 514--NEW ANIMAL DRUG APPLICATIONS--Table of Contents Subpart B--Administrative Actions on Applications Sec. 514.121 Service of notices and orders. All notices and orders under this subchapter E and section 512 of the act pertaining to new animal drug applications shall be served: (a) In person by any officer or employee of the Department designated by the Commissioner; or (b) By mailing the order by certified mail addressed to the applicant or respondent at his last known address in the records of the Food and Drug Administration.