Cal. PROB § 10502

(a) Subject to the conditions and limitations of this part and to Section 9600, a personal representative who has been granted authority to administer the estate under this part has the powers described in Article 2 (commencing with Section 10510), Article 3 (commencing with Section 10530), and Article 4 (commencing with Section 10550). (b) The will may restrict the powers that the personal representative may exercise under this part.