secret will; sealed envelope will
A will whose contents are kept secret from witnesses; the testator seals the document and submits it to a notary. Used in Japanese inheritance law.
A secret will is sealed and submitted in the presence of a notary.
A notarized will whose contents are known to the notary and witnesses, unlike a secret will where the contents remain hidden.
A holographic will written entirely in the testator's own handwriting, without notarial involvement.
Compound of 秘密 (secret), 証書 (certificate/document), and 遺言 (will). The term is a direct legal designation.