Presidential Designate (Colombia)
The Presidential Designate of Colombia is a member of the Cabinet without official duties since the Rafael Núñez's administration. The Presidential Designate was elected by the Senate to replace the president in the event of his death, resignation, or removal from office, and was first in the line of succession, ahead of the Minister of Government.
Source: Wikipedia — Presidential Designate (Colombia) (CC BY-SA 4.0)