2016 Wesleyan Discipline: 1518
From Wesleyan Discipline
1518. Whenever the district superintendent, who is an ex officio member of the General Conference (2016 Wesleyan Discipline:1503:1a), is unable to attend, the place of the district superintendent shall be filled by the assistant district superintendent (if any). If the assistant district superintendent is an elected delegate to the General Conference, the place of the assistant district superintendent shall then be filled like any other vacancy by an alternate ministerial delegate.