(a) A trust company serving as personal representative may deposit securities that constitute all or part of the estate in a securities depository, as provided in Section 1612 of the Financial Code.
(b) If securities have been deposited with a trust company by a personal representative pursuant to Section 9701, the trust company may deposit the securities in a securities depository, as provided in Section 1612 of the Financial Code.
(c) The securities depository may hold securities deposited with it in the manner authorized by Section 1612 of the Financial Code.