判はんを押おす

expression, godan verb (-su)

affix a seal; stamp one's seal

Refers to the act of pressing a personal or official seal (hanko) onto a document, often as a form of approval or authentication.

• 契けい約やく書しょに判はんを押おす前まえに、内ない容ようをよく確かく認にんしてください。

  Please check the contents carefully before affixing your seal to the contract.

• 彼かれは書しょ類るいの隅すみに判はんを押おした。

  He stamped his seal in the corner of the document.