Also see Election Campaign Fund.
You may contribute to any of the following approved causes. Contributions will add to your tax due or reduce your refund. Once made, you cannot change a contribution on an amended return. Leave the entire Part 4 blank if you are not contributing to any of the accounts.
Write the code and amount of each contribution on the lines in Part 4. Add your contributions and enter the total on TC-40, line 28.
Follow the links below for more information.