The pool may provide coverage against liability for the acts or omissions of:
(1) a volunteer fire department that contracts with a county participating in the pool for the provision of fire protection or fire-fighting equipment under Subchapter A, Chapter 352;
(2) a volunteer for a fire department described by Subdivision (1), to the extent the acts or omissions arise in the course and scope of the volunteer's activities as a volunteer for the fire department; and
(3) a person described by Section 352.004(b).