ちょういん調印chouin
1.

The act of formally signing and sealing a document, particularly a treaty or agreement, by representatives of the involved parties to signify their consent and commitment to the terms outlined in the document.

2.

The ceremonial process where designated individuals authenticate a legal document through their signatures and seals, marking the conclusion of negotiations and the establishment of a formal agreement.

3.

The specific moment in diplomatic or official contexts when representatives finalize an agreement by placing their signatures and stamps, thereby validating the terms and acknowledging mutual understanding.

4.

An essential step in the formalization of treaties or accords, involving the endorsement of contractual obligations through the personal endorsement of authorized individuals.

Example:

その条件は日本、ドイツ、イギリス、アメリカの間で調印された。

ちょういんしき調印式chouinshiki
1.

A formal event where representatives from different parties come together to sign a document, symbolizing the conclusion of negotiations and establishing mutual agreements.

2.

A ceremonial occasion that marks the official endorsement of a treaty or contract, often attended by dignitaries and marked by specific rituals or speeches.

3.

A public gathering designed to celebrate the act of signing important accords, highlighting the significance of collaboration and partnership between the involved entities.