40 CFR § 713.21 - Electronic filing.

---
identifier: "/us/cfr/t40/s713.21"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 713.21 - Electronic filing."
title_number: 40
title_name: "Protection of Environment"
section_number: "713.21"
section_name: "Electronic filing."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "R"
subchapter_name: "TOXIC SUBSTANCES CONTROL ACT"
part_number: "713"
part_name: "REPORTING REQUIREMENTS FOR THE TSCA INVENTORY OF MERCURY SUPPLY, USE, AND TRADE"
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(b)(10)(D)."
regulatory_source: "83 FR 30073, June 27, 2018, unless otherwise noted."
cfr_part: "713"
---


# 713.21 Electronic filing.

(a) You must use the Mercury Electronic Reporting (MER) application to complete and submit required information as set forth in § 713.17. Submissions may only be made as set forth in this section.

(b) Submissions must be sent electronically to EPA via CDX.

(c) Access MER and instructions, as follows:

(1) By website. Access MER via the CDX homepage at *https://cdx.epa.gov/* and follow the appropriate links.

(2) By phone or email. Contact the EPA TSCA Hotline at (202) 554-1404 or *[email protected].*