Signing checklist for Idaho

The signing steps in Idaho law, step by step. Pick your documents to see them.

Checked against official sources: October 31, 2026.

Short answer

This checklist lists the signing rules in Idaho law. It does not check whether your document is valid.

Financial power of attorney: Signed by you; the law requires no notary or witnesses
Health care directive: Signed by you; the law requires no notary or witnesses

Choose your form Statutory Form Power of Attorney, with optional Agent's Certification. You do not have to use it. Covers property only, not health care. Includes a notary acknowledgment block. Official text
Law: Idaho Code §§ 15-12-301, 15-12-302
Sign it Signed by you, or in your conscious presence by another person you direct to sign your name.
Law: Idaho Code §§ 15-12-105, 15-12-119, 15-12-120
Notary or witnesses The Act requires only your signature. If you acknowledge your signature before a notary, it is presumed genuine, and banks and others must follow the acceptance rules for an 'acknowledged' power of attorney.
Law: Idaho Code §§ 15-12-105, 15-12-119, 15-12-120
The agent signs too No agent signature is required. A person accepts appointment by acting as agent or by other conduct showing acceptance, unless the document says otherwise.
Law: Idaho Code §§ 15-12-105, 15-12-119, 15-12-120

Choose your form Idaho Advance Directive. You do not have to use it. Official text
Law: Idaho Code § 39-4510(1)
Sign it Signed by you (or your authorized agent) and dated.
Law: Idaho Code §§ 39-4510, 39-4512
Notary or witnesses To be valid, the document must include your name, date of birth, telephone number and mailing address, your signature, and the date you signed. Witnesses and notarization are optional. Blank sections are treated as intentional and do not invalidate the document. It is effective from the date you sign it until you revoke or replace it.
Law: Idaho Code §§ 39-4510, 39-4512

Registry (optional) Idaho Healthcare Directive Registry (Department of Health and Welfare). Fee: Set by the department, not more than $10.00 to file a document; no fee to revoke. Official text
Law: Idaho Code §§ 39-4514(10), 39-4515; Idaho Code § 39-4515(1)
Give copies to the right people Keep the signed documents in a safe place and give copies to your health care proxy and your doctors. Some states have registries that store an advance directive for doctors and your proxy.

This checklist lists the signing rules in Idaho law. It does not check whether your document is valid.