Guidance for Flood Risk Analysis and Mapping: Preliminary Distribution and Revised Preliminary [open pdf - 455KB]
From the Introduction: "Upon completion of the various data development tasks associated to the Flood Risk Project, the Department of Homeland Security's Federal Emergency Management Agency (FEMA), FEMA contractors, and other organizations that partner with FEMA issues the new or updated Flood Insurance Study (FIS) Reports, a Flood Insurance Rate Map (FIRM), and FIRM Database to the affected communities in 'Preliminary' form for review. This document provides guidance on the storage and distribution of Preliminary and Revised Preliminary regulatory products on the Mapping Information Platform (MIP) and the Map Service Center (MSC)."
Guidance Document 57
U.S. Federal Emergency Management Agency: https://www.fema.gov/