In the 1944 case Commissioner of Internal Revenue v. Smith, the U.S. Supreme Court ruled on a matter related to income tax law and its application to life insurance policies. The respondent, Mrs. Smith, had purchased single premium life insurance policies for her children and grandchildren where she retained certain rights including changing beneficiaries or surrendering the policy entirely for cash value until her death or incapacitation. The IRS argued that these retained powers made Mrs. Smith an owner of economic benefits under these policies which should be included in her gross income for taxation purposes. The court disagreed with this argument stating that while Mrs. Smith did retain some control over the policies, it was not enough to constitute ownership as per Section 22(a) of Revenue Act (1936). She could not use them as collateral nor derive any financial benefit from them unless she surrendered them completely which would then leave nothing left to tax anyway. Therefore, they concluded that such contingent future benefits do not fall within definition of "gross income" under federal tax laws and thus are exempted from being taxed.

In the dissenting opinion for Commissioner of Internal Revenue v. Smith, Justice Robert H. Jackson argued that the majority's decision to tax a widow on her deceased husband's life insurance proceeds was unjust and inconsistent with previous rulings. He contended that this ruling contradicted earlier decisions where widows were not taxed on their husbands' life insurance payouts because they had no control over or benefit from these funds during their spouses' lifetimes. Furthermore, he believed it was unfair to retroactively apply such taxation without clear legislative intent or precedent supporting it. Justice Jackson also criticized the majority for interpreting ambiguous laws in favor of taxation rather than against it, arguing that any doubts should be resolved in favor of taxpayers due to potential financial hardship caused by unexpected tax liabilities.