The Secretary may disallow the benefits of any community property law to any taxpayer with respect to any income if such taxpayer acted as if solely entitled to such income and failed to notify the taxpayer’s spouse before the due date (including extensions) for filing the return for the taxable year in which the income was derived of the nature and amount of such income.
The term “community income” means income which, under applicable community property laws, is treated as community income.
The term “community property laws” means the community property laws of a State, a foreign country, or a possession of the United States.