House Bill 609, also known as Senate Bill 1046, amends the Tennessee Code Annotated by introducing a new section in Title 20, Chapter 1, which defines "unauthorized alien" as a person unlawfully present in the United States according to the federal Immigration and Nationality Act. The bill stipulates that an unauthorized alien does not have the legal standing to initiate or participate as a plaintiff in any civil action within the state of Tennessee, regardless of any conflicting laws.

This legislation aims to clarify the legal status of unauthorized aliens in civil proceedings, effectively barring them from seeking legal recourse in state courts. The bill is set to take effect immediately upon becoming law, emphasizing the urgency of the public welfare in its implementation.