The provisions of this chapter are subject to modification, rescission, and amendment by the Dallas city council at any time. Nothing in this chapter conveys a contract of employment with the city of Dallas and nothing in this chapter is intended to be a term of a contract when combined with any other document, instrument, or writing. Nothing in this chapter conveys a private cause of action to any employee. (Ord. Nos. 24873; 26182; 30657)