Missouri law can’t prohibit one political action campaign from donating to another, a federal appeals court ruled Monday.
The ruling from the 8th Circuit Court of Appeals could increase the difficulty of tracking the true sources of contributions to political action committees, or PACs, which have become popular since individual campaign donation limits were established.
The case follows Missouri voters’ 2016 approval of Amendment 2, which included a provision barring PACs from donating to other PACs.
A federal court struck down the PAC provision in 2017, and on Monday an appeals court upheld that decision, saying the PAC limitation violated the First Amendment.
The decision looms large because PACs have gained power since the 2016 vote, with major donors able to contribute to outside PACs that can then funnel money back to particular candidates or causes.
Read more: St. Louis Public Radio