Seven policy groups with a range of ideological views are calling on Congress to reject legislation that would revive a set of temporary tax breaks known as extenders.

“Continuing to renew special-interest tax giveaways on a temporary and often retroactive basis is bad tax, fiscal, and economic policy,” the groups said in a Dec. 6 letter to House and Senate leadership. The groups include the Koch-funded Americans for Prosperity, the Committee for a Responsible Federal Budget, the Institute on...