USE CASE Source code delivery YOU MUST Provide Copyright notices YOU MUST Provide Warranty disclaimer IF Software modification EXCEPT IF Provided By Copyright holder YOU MUST Provide Modification report EITHER YOU MUST Provide Source code Of Modified work ATTRIBUTE To Copyright holder Of Original work ATTRIBUTE Original license OR YOU MUST NOT Impede Installation Of Original work YOU MUST NOT Impede Running Original work YOU MUST Rename Modified work OR EITHER YOU MUST Use Original license OR YOU MUST Use Strong copyleft license YOU MUST NOT Require License fee USE CASE Binary delivery YOU MUST Reference Source code IF Reference Expires EITHER YOU MUST Provide Reference On Request ATTRIBUTE Within 30 days OR YOU MUST End Binary delivery ATTRIBUTE Within 30 days IF Software modification EXCEPT IF Provided By Copyright holder YOU MUST Provide Modification report EITHER YOU MUST Provide Source code Of Modified work ATTRIBUTE To Copyright holder Of Original work ATTRIBUTE Original license OR YOU MUST NOT Impede Installation Of Original work YOU MUST NOT Impede Running Original work YOU MUST Rename Modified work OR EITHER YOU MUST Use Original license OR YOU MUST Use Strong copyleft license IF Linked work EITHER YOU MUST NOT Provide Interface To Work OR YOU MUST Provide Modification report EITHER YOU MUST Provide Source code Of Modified work ATTRIBUTE To Copyright holder Of Original work ATTRIBUTE Original license OR YOU MUST NOT Impede Installation Of Original work YOU MUST NOT Impede Running Original work YOU MUST Rename Modified work OR EITHER YOU MUST Use Original license OR YOU MUST Use Strong copyleft license YOU MUST NOT Require License fee PATENT HINTS Yes