PMR.
PMR. A PMR is FEMA's physical revision and republication of an effective FIRM, FBFM, or FIS report. PMRs are generally based on physical measures that affect the hydrologic or hydraulic characteristics of a flooding source and thus result in the modification of the existing regulatory floodway, the effective base flood elevations, or the SFHA.
Source
44 CFR § 72.2
Scoping language
Except as otherwise provided in this part, the definitions in 44 CFR part 59 are applicable to this part. For the purposes of this part, the products are defined as follows: