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.