Abstract: A data structure representing the state of courier assignments is described. For each courier assignment, the data structure contains: information identifying a destination location for the courier assignment; information identifying a drop-off protocol specified for the courier assignment, the drop-off protocol specifying a sequence of steps; and, for each of at least some of the steps of the identified drop-off protocol, a representation of compliance evidence collected with respect to the step of the courier assignment. The contents of the data structure are usable to present collected compliance evidence for steps of the drop-off protocol specified for courier assignments among the plurality of courier assignments, either contemporaneously or at later times.

Abstract: A data structure representing the state of courier assignments is described. For each courier assignment, the data structure contains: information identifying a destination location for the courier assignment; information identifying a drop-off protocol specified for the courier assignment, the drop-off protocol specifying a sequence of steps; and, for each of at least some of the steps of the identified drop-off protocol, a representation of compliance evidence collected with respect to the step of the courier assignment. The contents of the data structure are usable to present collected compliance evidence for steps of the drop-off protocol specified for courier assignments among the plurality of courier assignments, either contemporaneously or at later times.