; or (B) referrals to the Veterans Crisis Line. (f) Use of county or Tribal veterans service officers A State or Indian Tribe that receives a grant under this section to carry out an activity described in subsection (b)(1) may only carry out the activity through— (1) a county or Tribal veterans service officer of the State or Indian Tribe; or (2) if the State or Indian Tribe does not have a county or Tribal veterans service officer, or if the county or Tribal veterans service officers of the State or Indian Tribe cover only a portion of that State or Indian Tribe, an appropriate entity of a State, local, or Tribal government, as determined by the Secretary. (g) Required activities Any grant awarded under this section shall be used— (1) to expand existing programs, activities, and services; (2) to hire and maintain new, additional county or Tribal veterans service officers