The regulations, restrictions, boundaries set forth in this Chapter
may from time to time be amended, supplemented, changed or appealed
to reflect any and all changes in the National Flood Disaster Protection
Act of 1973; provided, however, that no such action may be taken until
after a public hearing in relation thereto, at which parties in interest
and citizens shall have an opportunity to be heard. Notice of the
time and place of such hearing shall be published in a newspaper of
general circulation in the City of Portageville.