Expired rtd , should i returd it ?????

[Angel2012]

I am a green card holder and i got np, i also have a expired rtd.
What should i do with it ? Should i return it ? If so, where? Please advice guys. Thank you.

 

[Raziel]

you don't have to return it but keep it "don't throw it away" in case if you were asked in future about the places that you travelled... specially in citizenship interview