Rural Veterans Funeral Honors Reform Act of 2020 This bill directs the Department of Defense to provide a briefing to Congress setting forth a plan for the performance of a funeral honors detail at the funeral of a deceased member of the Armed Forces by one or more members of the Armed Forces from an Armed Force other than that of the deceased when (1) members of the Armed Force of the deceased are unavailable for the performance of the detail, and (2) the performance of the detail by members of other Armed Forces is requested by the family of the deceased.