How to spend the balance 0,03 usd dollars for change my credit card details ?

If you are in the US and want to change your country then you can try donating it to the Superstorm Sandy relief fund (bottom right of this page). Otherwise you can try contacting iTunes support and ask if they can remove the balance from your account : http://www.apple.com/support/itunes/contact/ - click on Contact iTunes Store Support on the right-hand side of the page,