Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. .

Diagram Number

Any of the numbers used in the instructions to the NFIP Elevation Certificate to identify the diagrams of the main types of buildings.

Last updated March 5, 2020

Return to top