 However, Iran adopted an "alternative" human rights declaration, the Cairo Declaration on Human Rights in Islam, in 1990 (one year after Khomeini's death).There exists various viewpoints on practice of controversial Islamic criminal codes like stoning.Ayatollah Gholamreza Rezvani states that the Quran sanctions stoning unequivocally and since it is the word of God, it must be carried out in real life as if Rezvani is the Prophet on Earth tasked by God to carry forward this message.