Visit rollbacks described

A rollback restores the information gathered during a visit to a previous state—typically, to the last fully correct version of data for the subject. Typical purposes of a rollback are to:

Delete a transaction for the wrong subject.
Re-do a visit with incorrect information that might affect the outcome of the visit.

Note: You cannot roll back a screening visit.

To roll back more than one visit, you must roll back one visit at a time. For example, consider the following scenario:

Visit Schedule	Notes
Screening
Randomization
Visit 2	Desired state of data
Visit 4
Visit 6	Current visit (with incorrect data)

In this situation, you must roll back:

Visit 6 to Visit 4
Visit 4 to Visit 2