Section 704 Of Chapter 1. Definitions From California Probate Code >> Division 2. >> Part 15. >> Chapter 1.

. "Document" means any of the following:
  (a) A signed original will, declaration of trust, trust amendment, or other document modifying a will or trust.
  (b) A signed original power of attorney.
  (c) A signed original nomination of conservator.
  (d) Any other signed original instrument that the attorney and depositor agree in writing to make subject to this part.