DC decoupled the local taxes from the federal tax code to avoid millions of dollars in lost revenue. But House Republicans are pushing a disapproval resolution.

A prior case already exempted certain partnership income from self-employment taxes in Texas, Louisiana and Mississippi.

D.C. officials say the potential action from Congress would sow fiscal chaos for the city.

They are spending more time trying to overturn D.C. laws than they’re doing with a number of pressing issues,” one organizer said of Congress.

Tax season has begun, and many people can look forward to a bigger tax refund this year because of some new changes. Many of ...