If a city cannot or chooses not to adopt and enforce the minimum standards as authorized by the Tennessee Clean Energy Future Act, the state will enforce the applicable statewide codes in the city. The commissioner of commerce and insurance is authorized to contract with local governments to use their employees for inspections of one- and two-family residences. These contracts can allow inspectors to charge a fee as set out by the state fire marshal’s office. These are the state regulations applicable to such inspections, containing the relevant fee schedule:
https://publications.tnsosfiles.com/rules/0780/0780-02/0780-02-23.20200716.pdf

Deputy building inspectors must be state certified as a:

1. Licensed building inspector;
2. Licensed plumbing inspector; or
3. Licensed mechanical inspector.