noun, noun or participle which takes 'suru', intransitive verb
self-declaration; self-assessment; self-certification
Refers to voluntarily reporting or declaring one's own situation, income, qualifications, etc., often in official or administrative contexts.
税務署に所得を自己申告する。
I self-declare my income to the tax office.
この書類は自
Please fill out this form by self-declaration.