Tennessee Code Title 13. Public Planning and Housing § 13-11-114

To prevent unnecessary expense and duplication of functions, and to promote uniform and effective administration of this chapter, a state agency, applicable local agency, or applicable person may enter into contracts with any individual, firm, or corporation for services in connection with a program or project, or may carry out all functions provided for under this chapter through any federal agency or any state agency, or any local agency, or any person having an established organization for conducting this chapter.