42 CFR § 84.66 - Withdrawal of applications.

---
identifier: "/us/cfr/t42/s84.66"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 84.66 - Withdrawal of applications."
title_number: 42
title_name: "Public Health"
section_number: "84.66"
section_name: "Withdrawal of applications."
chapter_name: "PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "G"
subchapter_name: "OCCUPATIONAL SAFETY AND HEALTH RESEARCH AND RELATED ACTIVITIES"
part_number: "84"
part_name: "APPROVAL OF RESPIRATORY PROTECTIVE DEVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "29 U.S.C. 651  30 U.S.C. 3, 5, 7, 811, 842(h), 844."
regulatory_source: "60 FR 30355, June 8, 1995, unless otherwise noted."
cfr_part: "84"
---


# 84.66 Withdrawal of applications.

(a) Any applicant may, upon a written request submitted to the Institute, withdraw any application for approval of any respirator.

(b) Upon the receipt of a written request from the applicant for the withdrawal of an application, NIOSH will invoice the applicant based on the fee calculated, as specified under § 84.21(e).

[60 FR 30355, June 8, 1995, as amended at 80 FR 3907, Jan. 26, 2015]