294.27—Corrections and modifications.
         Correction or modification of designations made pursuant to this subpart may occur under the following circumstances:
    
    
        
        (a) Administrative corrections.
         Administrative corrections to the maps of lands identified in  § 294.22(c) include, but are not limited to, adjustments that remedy clerical errors, typographical errors, mapping errors, or improvements in mapping technology. The Chief may issue administrative corrections after a 30-day public notice and opportunity to comment.
    
    
        
        (b) Modifications.
         The Chief may add to, remove from, or modify the designations and management classifications listed in  § 294.29 based on changed circumstances or public need. The Chief shall provide at least a 45-day public notice and opportunity to comment for all modifications.