California Code, Probate Code - PROB § 2594

(a) When a power or powers are granted pursuant to this article, the letters of guardianship or conservatorship shall state the power or powers so granted and the restrictions, conditions, or limitations, if any, prescribed in the order and shall refer to this article.

(b) When a power or powers are granted by a subsequent order, new letters shall be issued in the form described in subdivision (a).

(c) If the powers are withdrawn, or if the powers are restricted, conditioned, or limited by a subsequent order after they are granted, new letters shall be issued accordingly.