noun
under-reporting; under-declaration
Primarily used in tax contexts for reporting less income or deductions than actually applicable. Also used in other official declarations.
税務署から過少申告の指摘を受けた。
The tax office pointed out the under-reporting.
過少申告加算税が課されることがある。
An additional tax for under-reporting may be imposed.
Compound of 過少 (too little, insufficient) and 申告 (declaration, report).