Section [Code of Federal Regulations] [Title 9, Volume 1] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 9CFR2.130] [Page 41] TITLE 9--ANIMALS AND ANIMAL PRODUCTS CHAPTER I--ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE PART 2_REGULATIONS--Table of Contents Subpart I_Miscellaneous Sec. 2.130 Minimum age requirements. No dog or cat shall be delivered by any person to any carrier or intermediate handler for transportation, in commerce, or shall be transported in commerce by any person, except to a registered research facility, unless such dog or cat is at least eight (8) weeks of age and has been weaned.