40 CFR § 710.47 - When to submit substantiation or information on previous substantiation.
---
identifier: "/us/cfr/t40/s710.47"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 710.47 - When to submit substantiation or information on previous substantiation."
title_number: 40
title_name: "Protection of Environment"
section_number: "710.47"
section_name: "When to submit substantiation or information on previous substantiation."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "R"
subchapter_name: "TOXIC SUBSTANCES CONTROL ACT"
part_number: "710"
part_name: "COMPILATION OF THE TSCA CHEMICAL SUBSTANCE INVENTORY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 2607(a) and (b)."
cfr_part: "710"
---
# 710.47 When to submit substantiation or information on previous substantiation.
(a) All persons required to substantiate a confidentiality claim pursuant to § 710.43(a) or (b)(1) must submit their substantiation not later than November 1, 2020.
(b) All persons who seek an exemption under § 710.43(b)(2) must submit the information specified in § 710.43(b)(2)(ii) not later than November 1, 2020.