# 710.39 Electronic filing.
(a) EPA will accept information submitted under this subpart only if submitted in accordance with this section. All information must be submitted electronically to EPA via CDX. Prior to submission to EPA via CDX, Notices of Activity and any associated information must be generated and completed using the e-NOA software module.
(b) Obtain instructions for registering in CDX as follows:
(1) *Web site.* The CDX Registration User Guide is available at *https://www.epa.gov/sites/production/files/documents/cdx__registration__guide__v0__02.pdf.* To register in CDX, go to *https://cdx.epa.gov* and follow the appropriate links.
(2) *Telephone.* Contact the EPA CDX Help Desk at 1-888-890-1995.
(3) *Email.* Email the EPA CDX Help Desk at *[email protected].*
(c) Obtain instructions for using CISS and the e-NOA software module as follows:
(1) *Web site.* Go to the EPA New Chemicals under the Toxic Substances Control Act Web site at *https://www.epa.gov/reviewing-new-chemicalsunder-toxic-substances-control-act-tsca/how-submit-e-pmn* and follow the appropriate links.
(2) *Telephone.* Contact the EPA TSCA Hotline at 1-202-554-1404.
(3) *Email.* Email the EPA TSCA Hotline at *[email protected].*