The formal act of concluding or entering into a contract; the consummation/formation of an agreement (legal/business term).
本日、両社の契約締結式が行われた。
Today, a contract-signing ceremony between the two companies was held.
契約締結には法務部の最終承認が必要だ。
Final approval from the legal department is required for contract conclusion.
契約締結後、業務は翌月から開始される予定だ。
After the contract is concluded, the work is scheduled to begin next month.