(a) Service on the secretary of state under Section 5.251 is effected by:
(1) delivering to the secretary duplicate copies of the process, notice, or demand; and
(2) accompanying the copies with any fee required by law, including this code or the Government Code, for:
(A) maintenance by the secretary of a record of the service; and
(B) forwarding by the secretary of the process, notice, or demand.
(b) Notice on the secretary of state under Subsection (a) is returnable in not less than 30 days.