signed and sealed

US /saɪnd ænd siːld/
UK /saɪnd ænd siːld/
"signed and sealed" picture
1.

ditandatangani dan disegel, resmi selesai

officially and legally completed, especially a document or agreement

:
The contract is now signed and sealed, so we can proceed with the project.
Kontraknya sekarang sudah ditandatangani dan disegel, jadi kita bisa melanjutkan proyek.
After years of negotiations, the deal is finally signed and sealed.
Setelah bertahun-tahun negosiasi, kesepakatan akhirnya ditandatangani dan disegel.