20 CFR § 418.1301 - What is an initial determination regarding your income-related monthly adjustment amount?

---
identifier: "/us/cfr/t20/s418.1301"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "20 CFR § 418.1301 - What is an initial determination regarding your income-related monthly adjustment amount?"
title_number: 20
title_name: "Employees' Benefits"
section_number: "418.1301"
section_name: "What is an initial determination regarding your income-related monthly adjustment amount?"
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"
---


# 418.1301 What is an initial determination regarding your income-related monthly adjustment amount?

An initial determination is the determination we make about your income-related monthly adjustment amount that is subject to administrative review. For the purposes of administering the income-related monthly adjustment amount, initial determinations include but are not limited to determinations about:

(a) The amount of your income-related monthly adjustment amount based on information provided by IRS; and

(b) Any change in your income-related monthly adjustment amount based on one of the circumstances listed in § 418.1310(a)(1) through (a)(4).