Courts - As introduced, specifies that certain actions for declaratory judgments or injunctive relief regarding the legality or constitutionality of a governmental action must be brought in state court and that the privileges and immunities afforded to this state, state entities, and state officials under state or federal law are not waived for purposes of such actions. - Amends TCA Title 1, Chapter 3 and Title 27, Chapter 1.

HB 374 requires that lawsuits seeking declaratory judgments or injunctions about the legality or constitutionality of government actions must be filed in Tennessee state court, not federal court. It directly affects individuals or groups challenging government actions by specifying the proper venue for such cases. The bill clarifies that state entities and officials retain all existing legal protections ("privileges and immunities") under state or federal law when facing these lawsuits. It also explicitly states that this law does not allow claims for monetary damages in such cases. The bill amends Tennessee Code sections related to causes of action (Title 1, Chapter 3 and Title 27, Chapter 1).