how do I file for state extension for north carolina when due a refund

Hi All,

 

I am hoping someone can help me.  I just paid the 24.99 and e-filed my state return via TurboTax on my computer.  Does that mean the payment went to on my credit card I entered.  Or do I have to pay separately.  I am hoping it paid so I don't get a penalty.

 

Thanks in advance!