Modifying certain campaign finance and ethics provisions; prohibiting candidates accepting public subsidies from accepting contributions from political committees or funds or from lobbyists or large contributors under certain conditions; modifying certain income tax form requirements relating to the campaign finance checkoff; eliminating the party account in the state elections campaign fund and modifying certain distribution requirements; increasing the affidavit of contribution amounts for candidates for the legislature; repealing a certain provision providing for the qualification of political parties for inclusion on the income tax and property tax refund forms (mk)