From the FDA - Food Safety and Terrorism Website.
See the Bioterrorism Act of 2002 website for final rules and information.

Packinghouses must register with the Food & Drug Administration (FDA).
    The Online Facility Registration Website 
    Fact Sheet on FDA'S New Food Bioterrorism Regulation:
    Download Food Facility Registration Forms & Instructions from the FDA website

Juice labeling regulations - "Citrus industry gets extension from juice labeling regulations..."

Bulletin EU 5-1996 -"Proposal for a Council Regulation introducing a Community aid scheme for producers of certain citrus fruits...."

USDA APHIS - Plant protection and Quarantine manuals in electronic formats.

Citrus Administrative Committee - "The Citrus Administrative Committee is a administered by the USDA that sets minimum sizes and grades of fresh Florida Citrus...."

Marketing Order Administration Branch’s (MOAB) - "Our goal is to help importers with their compliance efforts before a problem arises, and to guide those who have imports not meeting the requirements to the proper disposition...."

Laws and Regulations - "Laws and regulations are a major tool in protecting the environment...."

IRIS - "IRIS is a database of human health effects that may result from exposure to various substances found in the environment...."

Recently Published APHIS Rules & Notices - "This page lists documents published in approximately the last 12 months, starting with the most recent...."

The Code of Federal Regulations - "Code of Federal Regulations, Federal Register, Privacy Act Issuances, Public Laws, United States Government Manual, Weekly Compilation of Presidential Documents, Public Papers of the Presidents of the United States, U.S. Congress Information, and GPO Access Search Page...."