noun which may take the genitive case particle 'no'
pre-approval; before approval
Used as a no-adjective to describe a state or status before official approval is granted, often in business or administrative contexts.
この書類はまだ承認前です。
This document is still pending approval.
承認前の段階で内容を確認してください。
Please check the content at the pre-approval stage.
未承認 also means 'unapproved' but is more general; 承認前 specifically refers to the period before approval.
Compound of 承認 (approval) + 前 (before).