Section 9054 Of Chapter 2. Notice To Creditors From California Probate Code >> Division 7. >> Part 4. >> Chapter 2.

. Notwithstanding Section 9050, the personal representative need not give notice to a creditor even though the personal representative has knowledge of the creditor if any of the following conditions is satisfied:
  (a) The creditor has filed a claim as provided in this part.
  (b) The creditor has demanded payment and the personal representative elects to treat the demand as a claim under Section 9154.