noun
correction seal; revision seal
A special seal used to mark corrections on official documents, such as contracts or government forms, to indicate that the change is authorized.
契約書の訂正箇所には、必ず訂正印を押してください。
Please be sure to affix a correction seal on any corrected parts of the contract.
役所に提出する書類に間違いがあったので、訂正印を押して修正した。
There was a mistake on the document to be submitted to the government office, so I corrected it by stamping a correction seal.
実印 is a registered seal used for important contracts, whereas 訂正印 is a separate seal used only to indicate authorized corrections.
Compound of 訂正 (correction) and 印 (seal). The term is transparently derived from its components.