20 CFR § 418.1320 - What is the effect of an initial determination?

---
identifier: "/us/cfr/t20/s418.1320"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "20 CFR § 418.1320 - What is the effect of an initial determination?"
title_number: 20
title_name: "Employees' Benefits"
section_number: "418.1320"
section_name: "What is the effect of an initial determination?"
chapter_name: "SOCIAL SECURITY ADMINISTRATION"
part_number: "418"
part_name: "MEDICARE SUBSIDIES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
regulatory_source: "70 FR 77675, Dec. 30, 2005, unless otherwise noted."
cfr_part: "418"
---


# 418.1320 What is the effect of an initial determination?

An initial determination is binding unless you request a reconsideration within the time period described in §§ 404.909 and 404.911 of this chapter or we revise the initial determination or issue a new initial determination.