42 CFR § 426.503 - Submitting new evidence once an acceptable complaint has been filed.

---
identifier: "/us/cfr/t42/s426.503"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 426.503 - Submitting new evidence once an acceptable complaint has been filed."
title_number: 42
title_name: "Public Health"
section_number: "426.503"
section_name: "Submitting new evidence once an acceptable complaint has been filed."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "MEDICARE PROGRAM"
part_number: "426"
part_name: "REVIEW OF NATIONAL COVERAGE DETERMINATIONS AND LOCAL COVERAGE DETERMINATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 1102 and 1871 of the Social Security Act (42 U.S.C. 1302 and 1395hh)"
regulatory_source: "68 FR 63716, Nov. 7, 2003, unless otherwise noted."
cfr_part: "426"
---


# 426.503 Submitting new evidence once an acceptable complaint has been filed.

Once an acceptable complaint has been filed, the aggrieved party may submit additional new evidence without withdrawing the complaint until the Board closes the record.