Treasury Regulations (26 C.F.R.)
26 CFR § 301.6806-1 — Posting occupational tax stamps.
For provisions relating to the posting of specific stamps used with respect to a particular tax, other than a special tax under subchapter B of chapter 35, subchapter B of chapter 36, or subtitle E, see the regulations relating to such tax. For penalties for failure to post occupational tax stamps, see section 7273.
Source: official text