text: 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 .
  
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  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 .