noun
undeclared income; unreported earnings
Refers to income or earnings that were not reported, especially in tax contexts. Often used in phrases like 申告漏れが発覚する (undeclared income comes to light).
See also: 脱税
税務署に申告漏れを指摘された。
The tax office pointed out my undeclared income.
申
Please double-check that there is no unreported income.