Yes you should be covered under the Federal 8 years/80K miles law ...if....IF...it's your actual catalytic.
This law applies to emissions CONTROL parts, not emissions RELATED parts.
So your code might apply to either. Trouble codes do not actually identify the defective component, only the SYSTEM.
A catalytic converter is an emissions CONTROL part
There are three specified major emission control components,
covered for the first 8 years or 80,000 miles of vehicle use on 1995
and newer vehicles:
* Catalytic converters.
* The electronic emissions control unit or computer (ECU).
* The onboard emissions diagnostic device or computer (OBD).