The Land Development Code is adopted pursuant to the powers granted to the city and subject to any limitations imposed by the Constitution and laws of the state of Texas. No provision of this Land Development Code shall be construed as relieving any party from any other provision of state or federal law or from any provision, ordinance, rule, or regulation of the city requiring a license, franchise, or permit to accomplish, engage in, carry on, or maintain a particular business, enterprise, occupation, transaction or use.