For example , USDA 's Animal and Plant Health Inspection Service 's ( APHIS ) web page contained a Regulations link that provides a listing of recently published rules , along with text or Adobe Portable Document Format ( PDF ) files allowing viewers to read the rules on line .
USDA 's Animal and Plant Health Inspection Service 's ( APHIS ) for example--their web page contained a Regulations link that provides a listing of recently published rules , along with text or Adobe Porable Document Format ( PDF ) files allowing viewers to read the rules online .