42 CFR § 405.946 - Evidence to be submitted with the redetermination request.

---
identifier: "/us/cfr/t42/s405.946"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 405.946 - Evidence to be submitted with the redetermination request."
title_number: 42
title_name: "Public Health"
section_number: "405.946"
section_name: "Evidence to be submitted with the redetermination request."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "MEDICARE PROGRAM"
part_number: "405"
part_name: "FEDERAL HEALTH INSURANCE FOR THE AGED AND DISABLED"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 263a, 405(a), 1302, 1320b-12, 1395x, 1395y(a), 1395ff, 1395hh, 1395kk, 1395rr, and 1395ww(k)."
cfr_part: "405"
---


# 405.946 Evidence to be submitted with the redetermination request.

(a) *Evidence submitted with the request.* When filing the request for redetermination, a party must explain why it disagrees with the contractor's determination and should include any evidence that the party believes should be considered by the contractor in making its redetermination.

(b) *Evidence submitted after the request.* When a party submits additional evidence after filing the request for redetermination, the contractor's 60 calendar day decision-making time frame is automatically extended for up to 14 calendar days for each submission.

[70 FR 11472, Mar. 8, 2005, as amended at 70 FR 37702, June 30, 2005; 74 FR 65333, Dec. 9, 2009]