Recording medium, apparatus for reproducing data and method thereof

A method of reproducing data from a recording medium, the method comprising:

• reproducing, using a reproducing apparatus, at least one command object from the recording medium, the command object instructing playback of at least one playlist and including region codes and time limit information, the playlist providing playing intervals to playback associated data from the recording medium, the region codes indicating geographic regions in which reproduction of the data is permitted, each region code in the navigation command object corresponding to a different geographic region, the time limit information indicating a release time on which a geographic region restriction established by the region information expires;
• and
• reproducing the data as instructed by the instruction if the reproduced region codes match a region code stored in the reproducing apparatus or if the release time has expired.

A method of recording management data in a recording medium, comprising:

• recording management information in a management area of the recording medium, the management information including at least one command object, the command object instructing playback of at least one playlist and including at least one region code and time limit information, the playlist providing playing intervals to playback associated data recorded on the recording medium, the at least one region code indicating geographic regions in which reproduction of the data is permitted, each region code in the command object corresponding to a different geographic region, the time limit information indicating a release time on which a geographic region restriction established by the region information expires.

An apparatus for recording management data in a recording medium, the apparatus comprising:

• a pick-up unit configured to record data on the recording medium;
• and
• a control unit configured to control the pick-up unit to record management information in a management area of the recording medium, the management information including at least one command object, the command object instructing playback of at least one playlist and including at least one region code and time limit information, the playlist providing playing intervals to playback associated data recorded on the recording medium, the at least one region code indicating geographic regions in which reproduction of the data is permitted, each region code in the command object corresponding to a different geographic region, the time limit information indicating a release time on which a geographic region restriction established by the region information expires.