Yes, if you choose to make a private will in Switzerland without a notary public, it is strictly mandatory that the entire document is written by hand (Art. 505 ZGB). A will that is typed on a computer, printed, or written on a typewriter and merely signed by hand is null and void under Swiss law and will be declared invalid if challenged in court.

⚠️ Why Swiss Law Demands Full Handwriting:
Swiss courts rely on handwriting analysis to verify authenticity and ensure the testator acted freely without coercion or digital forgery.

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What Makes a Holographic Will Valid Under Swiss Art. 505 ZGB?

Requirement Rule Under Art. 505 ZGB Consequence if Missing
100% Handwritten Entire text written by the testator's own hand. Total Invalidity
Place & Date Specific city, day, month, and year. Challenged if multiple wills exist
Signature Handwritten signature at the very end. Total Invalidity

Do I Need Witnesses for a Handwritten Will in Switzerland?

No. In contrast to US or UK probate laws, Switzerland does not require any witnesses or counter-signatures for a handwritten holographic will.