When additional hydrologic, hydraulic, or other engineering
data, studies, and additional analyses are submitted to support an
application, the applicant has the right to seek a letter of map change
(LOMC) from FEMA to change the base flood elevations, change floodway
boundaries, or change boundaries of flood hazard areas shown on FIRMs,
and to submit such data to FEMA for such purposes. The analyses shall
be prepared by a licensed professional engineer in a format required
by FEMA. Submittal requirements and processing fees shall be the responsibility
of the applicant.