27 C.F.R. § 70.30 Time and place of examination.
Title 27 - Alcohol, Tobacco Products and Firearms
(a) Time and place. The time and place of examination pursuant to the provisions of 26 U.S.C. 7602 must be such time and place as may be fixed by an appropriate TTB officer and as are reasonable under the circumstances. The date fixed for appearance shall not be less than 10 days from the date of the summons. (b) Restrictions on examination of taxpayer. No taxpayer is to be subjected to unnecessary examination or investigations, and only one inspection of a taxpayer's books of account shall be made for each taxable year unless the taxpayer requests otherwise or unless an authorized internal revenue or an appropriate TTB officer, after investigation, notifies the taxpayer in writing that an additional inspection is necessary. (68A Stat. 902, as amended (26 U.S.C. 7605)) [T.D. ATF–450, 66 FR 29023, May 29, 2001]
Title 27: Alcohol, Tobacco and Firearms
PART 70—PROCEDURE AND ADMINISTRATION
Subpart C—Discovery of Liability and Enforcement of Laws
Examination and Inspection
§ 70.30 Time and place of examination.