How can change during External Transaction Reconciled

Summary:

User complete the reconciliation process late not during the current period, they complete the last period and possible the GL period was close.

Content (please ensure you mask any confidential information):

When the user reconciled under this scenario, Cash Management create external transaction for the diferences that external transaction was create using the date of the statement line, the problem is that date is under close period.

Version (include the version you are using, if applicable):

Please how can change the date creation of this external transaction during the reconciliation ?

Exist any way to create this external under the next open period in GL during the reconciliation?