Former owner.
Former owner. The term former owner means the owner immediately prior to vesting and any successor in interest by inheritance, devise, bequest, or operation of law, of such owner.
Source
26 CFR § 303.1-1
Scoping language
General. When used in this part, the terms defined in this section shall have the meaning so assigned to them. A term not defined in this section shall have the meaning, if compatible with the context, imputed thereto under the Internal Revenue Code of 1954.