View all text of Subjgrp 10 [§ 20.6001-1 - § 20.7101-1]
§ 20.6091-2 - Exceptional cases.
Notwithstanding the provisions of § 20.6091-1 the Commissioner may permit the filing of the preliminary notice required by § 20.6036-1 and the estate tax return required by § 20.6018-1 in any local Internal Revenue Service office.