Article 2. Trustee’s Standard Of Care of California Probate Code >> Division 9. >> Part 4. >> Chapter 1. >> Article 2.

(a) The trustee shall administer the trust with reasonable care, skill, and caution under the circumstances then prevailing that a prudent person acting in a like capacity would use in the conduct of an enterprise of like character and with like aims to accomplish the purposes of the trust as determined from the trust instrument.
  (b) The settlor may expand or restrict the standard provided in subdivision (a) by express provisions in the trust instrument. A trustee is not liable to a beneficiary for the trustee's good faith reliance on these express provisions.
  (c) This section does not apply to investment and management functions governed by the Uniform Prudent Investor Act, Article 2.5 (commencing with Section 16045).

A trustee's standard of care and performance in administering the trust is not affected by whether or not the trustee receives any compensation.

(a) Notwithstanding the requirements of this article, Article 2.5 (commencing with Section 16045), and the terms of the trust, all trust funds that come within the custody of the public guardian who is appointed as trustee of the trust pursuant to Section 15660.5 may be deposited or invested in the same manner, and would be subject to the same terms and conditions, as a deposit or investment by the public administrator of funds in the estate of a decedent pursuant to Article 3 (commencing with Section 7640) of Chapter 4 of Part 1 of Division 7.
  (b) Upon the deposit or investment of trust property pursuant to subdivision (a), the public guardian shall be deemed to have met the standard of care specified in this article and Article 2.5 (commencing with Section 16045) with respect to this trust property.