To amend the Animal Health Protection Act to prohibit the Secretary of Agriculture from implementing or carrying out a National Animal Identification System or similar requirement and to require the Secretary to protect information obtained as part of any voluntary animal identification system.

Amends the Animal Health Protection Act to prohibit the Secretary of Agriculture from implementing or carrying out (and prohibits use of federal funds to implement or carry out) a National Animal Identification System or similar requirement that mandates the participation of livestock owners.

Sets forth requirements governing disclosure of information obtained through a voluntary animal identification system established by the Secretary to identify and trace animals.