This document summarizes the impact of the 2010 Citizens United Supreme Court decision on political activities and tax laws for trade associations. It discusses that trade associations can now use general treasury funds for independent expenditures and electioneering communications. However, they must still disclose spending and include disclaimers. While political activities do not jeopardize tax-exempt status, they could be subject to tax on some investment income. The document also reviews permissible lobbying and advocacy within tax laws.