The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery.

The database must be in MOUNT state when performing Database Point-in-Time Recovery.

Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)

The Database must be in ARCHIVE LOG mode.

The target point for the recovery must be specified as a stime or System Change Number (SCN).

The database must be open RESETLOGS after Database Point-in-Time Recovery.