[Code of Federal Regulations] [Title 42, Volume 1, Parts 1 to 399] [Revised as of October 1, 2000] From the U.S. Government Printing Office via GPO Access [CITE: 42CFR71.46] [Page 524] TITLE 42--PUBLIC HEALTH CHAPTER I--PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES PART 71--FOREIGN QUARANTINE--Table of Contents Subpart E--Requirements Upon Arrival at U.S. Ports: Sanitary Inspection Sec. 71.46 Issuance of Deratting Certificates and Deratting Exemption Certificates. Valid Deratting Certificates or Deratting Exemption Certificates are not required for ships to enter a U.S. seaport. In accordance with Article 17 of the International Health Regulations, the Public Health Service may perform rodent infestation inspections and issue Deratting Certificates and Deratting Exemption Certificates.