“(3) A court, in determining whether, for the purposes of subsection (2), an Internet service provider knows or has reason to believe that material infringes copyright in a work, must take account of all relevant matters, including whether the Internet service provider has received a notice of infringement in relation to the infringement.
“(4) An Internet service provider who deletes a user’s material or prevents access to it because the Internet service provider knows or has reason to believe that it infringes copyright in a work must, as soon as possible, give notice to the user that the material has been deleted or access to it prevented.