990-US ELF: Forms attached as PDF files to electronic files (FAQ)

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MFA required for electronic filing

Effective May 3rd, the 2017 version of UltraTax CS requires multi-factor authentication (MFA) to transmit e-files from CS Connect. Find out more.


Which forms can I attach as a PDF file to the electronic file?


The following are the only forms that you can attach to the XML portion of the electronic file as a PDF file.

Refer to IRS Publication 4164 for information about which binary attachments can be attached to an electronic file.

Related topic: 990-US ELF: Electronic filing FAQs

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