noun, noun or participle which takes 'suru', transitive verb
application; request; petition
Formal written or procedural request, such as applying for a permit, license, or official approval. Often used with する to mean 'to apply' or 'to file a request'.
ビザの申請に必要な書類を集めている。
I am gathering the documents required for the visa application.
補助金を申請するには、期限までに書類を提出しなければならない。
To apply for the subsidy, you must submit the documents by the deadline.