Patent ID: 8036074

Claim:
An information recording medium comprising: a first area in which first data is recorded, first data region information being assigned to the first data; a second area in which second data is recorded, second data region information which is different from the first data region information being assigned to the second data; a control area in which control data including setting command data is recorded, the setting command data setting the first data region information as reference region information, which is referred to by an information reproducing apparatus, if the first data is reproduced and setting the second data region information as the reference region information if the second data is reproduced; and a region recording area in which medium region information is recorded, each of the first data region information and the second data region information being to be reflected in the medium region information, the first data region information is a region code for restricting a reproducible area of the first data, the second data region is a region of code for restricting a reproducible area of the second data, and the first data or the second data to be reproduced is reproducible if the first data region information or the second data region information set as the reference region information matches equipment region information being assigned to the information reproducing apparatus.