Self-employment tax.
Edition: Rev. Nov. 80.
Series: Publication -- 533.; Publication (United States. Internal Revenue Service) -- 533.
Publisher: Dept. of the Treasury, Internal Revenue Service; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1980
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Self-employed -- Taxation -- United States.; Income tax -- United States.
Notes: Caption title.

"For use in preparing 1980 returns."