California Code, Probate Code - PROB § 1252

(a) Unless the court makes an order dispensing with the notice, if a request has been made pursuant to Section 1250 for special notice of a hearing, the person filing the petition, report, account, or other paper shall give written notice of the filing, together with a copy of the petition, report, account, or other paper, and the time and place set for the hearing, by delivering the documents pursuant to Section 1215 to the person named in the request at the address set forth in the request, at least 15 days before the time set for the hearing.

(b) If a request has been made pursuant to Section 1250 for special notice of the filing of an inventory and appraisal of the estate or of the filing of any other paper that does not require a hearing, the inventory and appraisal or other paper shall be delivered pursuant to Section 1215 not later than 15 days after the inventory and appraisal or other paper is filed with the court.