I have been married since 2005 in nigeria,I am now a us citizen,the problem is that I have always declared single through all the years of permanent residence,right now I want to file for my husband,is it wise to use the 2005 marriage certificate?

I have been married since 2005 in nigeria,i am now a us citizen,the problem is that I have always declared single through all the years of permanent residence,right now I want to file for my husband,is it wise to use the 2005 marriage certificate?

Of course not. If you were single in form N-400, you may have a big problem and may jeopardize your status.