{"accessLevel": "public", "bureauCode": ["024:070"], "contactPoint": {"@type": "vcard:Contact", "fn": "Open Data (MGMT)", "hasEmail": "mailto:edmo@hq.dhs.gov"}, "description": "A Letter of Final Determination (LFD) is a letter FEMA mails to the Chief Executive Officer of a community stating that a new or updated Flood Insurance Rate Map (FIRM) or Digital Flood Insurance Rate Map (DFIRM) will become effective in six months. The letter also notifies each affected flood-prone community participating in the National Flood Insurance Program (NFIP) that it must adopt a compliant floodplain management ordinance by the map effective date to remain participants in good standing in the NFIP.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://www.fema.gov/flood-maps/change-your-flood-zone/letter-final-determination"}], "identifier": "FEMA-0335", "keyword": ["Communications"], "license": "https://www.usa.gov/government-works", "modified": "2025-09-01T20:42:22-04:00", "programCode": ["024:000"], "publisher": {"@type": "org:Organization", "name": "FEMA/RESILIENCE/FIMA"}, "rights": null, "title": "Letter of Final Determination"}