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The Federal Income Tax: How Did P.L. 115-97 Change Marginal Income Tax Rates?

Published Feb 12, 2019Updated Jun 20, 2025

The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.

The Federal Income Tax: How Did P.L. 115-97 Change Marginal Income Tax Rates? — Informed