"A publication intended for the information, guidance, and aid of employees of the Bureau of Internal Revenue. The contents are written by employees of the Internal Revenue Service."
Description based on: Volume 1, No. 1 (July 1927); title from PDF title page (HeinOnline, viewed on July 15, 2013)
Latest issue consulted: Volume 6, No. 3 (September 1932) (viewed on July 15, 2013)