In my country a company can legally donate if: a) organization is on a list of approved non-profit organizations or b) you sign a contract with organization whe

In my country a company can legally donate if: a) organization is on a list of approved non-profit organizations or b) you sign a contract with organization where the purpose of donations is clearly defined. Usually authors of open-source projects are not "approved non-profits" so you must have a contract with them...