WordNet
n. government revenue from domestic sources (excluding customs)
Usage examples of "internal revenue".
The inspectors of internal revenue who were found to obstruct the accountability of the institution, have been discontinued.
The Treasury Department and the Internal Revenue Service both promulgate and enforce the tax law of our country.
I asked him how I could go looking for my boy, and he suggested that I work for the Bureau of Internal Revenue for a year or so.
He dialed the number of a longtime source at the Internal Revenue Service.
You will not be able to write, lest the Internal Revenue Service seize the very words you put on paper.
Having erased himself entirely from all utility-company records, from property tax rolls, and even from the Internal Revenue Service files—.