General rule. In the case of an assessment under section 6851, 6852, 6861, or 6862, any property seized for the collection of such assessment shall not (except as provided in paragraph (b) of this section) be sold until the latest of the following occurs:
The period provided in section 7429(a)(2) to request the district director to review the action taken expires.
The period provided in section 7429(b)(1) to file an action in U.S. District Court expires if a request for a redetermination is made to the district director.
The U.S. District Court judgment in such action becomes final, if a civil action is begun in accordance with section 7429(b).
In addition to the occurrences described in paragraphs (a), (1), (2), and (3) of this section, in the case of an assessment of income, estate, gift, chapter 41, 42, 43, or 44 excise taxes, until the latest of the following occurs:
The expiration of the period provided in section 6213(a) within which the taxpayer may file a petition with the Tax Court; or
The decision of the Tax Court becomes final, if a petition for redetermination is filed with the Tax Court (whether before or after the making of the assessment).
Exceptions. Notwithstanding the provisions of paragraph (a) of this section, any property seized may be sold—
If the taxpayer files with the district director a written consent to the sale, or
If the district director determines that the expenses of conservation and maintenance of the property will greatly reduce the net proceeds from the sale of such property, or
If the property is of a type to which section 6336 (relating to sale of perishable goods) is applicable.