1.E.7.

Do not charge a fee for access to, viewing, displaying, performing, copying or distributing any Project Gutenberg{~Trade mark sign~} works unless you comply with paragraph 1.E.8 or 1.E.9.

1.E.8.

You may charge a reasonable fee for copies of or providing access to or distributing Project Gutenberg{~Trade mark sign~} electronic works provided that

    — You pay a royalty fee of 20% of the gross profits you derive from
      the use of Project Gutenberg{~Trade mark sign~} works calculated using the method you
      already use to calculate your applicable taxes.  The fee is owed to
      the owner of the Project Gutenberg{~Trade mark sign~} trademark, but he has agreed to
      donate royalties under this paragraph to the Project Gutenberg
      Literary Archive Foundation.  Royalty payments must be paid within 60
      days following each date on which you prepare (or are legally
      required to prepare) your periodic tax returns.  Royalty payments
      should be clearly marked as such and sent to the Project Gutenberg
      Literary Archive Foundation at the address specified in Section 4,
      “Information about donations to the Project Gutenberg Literary
      Archive Foundation.”

    — You provide a full refund of any money paid by a user who notifies
      you in writing (or by e-mail) within 30 days of receipt that s/he
      does not agree to the terms of the full Project Gutenberg{~Trade mark sign~} License. 
      You must require such a user to return or destroy all copies of the
      works possessed in a physical medium and discontinue all use of and
      all access to other copies of Project Gutenberg{~Trade mark sign~} works.

    — You provide, in accordance with paragraph 1.F.3, a full refund of
      any money paid for a work or a replacement copy, if a defect in the
      electronic work is discovered and reported to you within 90 days of
      receipt of the work.

    — You comply with all other terms of this agreement for free
      distribution of Project Gutenberg{~Trade mark sign~} works.

1.E.9.

If you wish to charge a fee or distribute a Project Gutenberg{~Trade mark sign~} electronic work or group of works on different terms than are set forth in this agreement, you must obtain permission in writing from both the Project Gutenberg Literary Archive Foundation and Michael Hart, the owner of the Project Gutenberg{~Trade mark sign~} trademark.  Contact the Foundation as set forth in Section 3 below.

1.F.

1.F.1.