Question: What are the impermanent sources of positive ecclesiastical law?

Is "In the Roman Church, universal positive ecclesiastical laws, based upon either immutable divine and natural law, or changeable circumstantial and merely positive law, derive formal authority and promulgation from the office of pope, who as Supreme Pontiff possesses the totality of legislative, executive, and judicial power in his person." the correct answer?
Choose from: +yes +no
yes