License required

Tenn. Code Ann. § 68-122-202, under Boiler Erectors and Repairers Act.

Tenn. Code Ann. § 68-122-202

Any person, corporation, partnership or firm engaged in or desiring to engage in the work of repairing or erecting steam boilers, steam kettles, pressure tanks or steam generators in this state shall obtain a license to perform such work from the board of boiler rules as created in the department of labor and workforce development by § 68-122-101.