Do I need to include all w2, 1099 and etc to file amended NC return?

Hi, I received a 1099-correction from one of my broker. So I need to file a amended return. I do not owe any tax to NC state since I am not a NC resident and only purchased a rental home at the end of last year. I did not make any income in NC last year. 

In this case, when do I have to mail my NC amended return? And do I have to include all the copies of the W2 and etc?

Thanks