
Form 3520 Internal Revenue Service
Use a Form 3520 Internal Revenue Service 2021 template to make your document workflow more streamlined.
What Form 3520 is and does
Form 3520 is an IRS information return used by certain U.S. persons to report specified transactions involving foreign trusts and certain large foreign gifts or bequests. It is separate from the taxpayer’s income tax return and requires accurate identifying, transaction, and valuation information. The filer or authorized preparer should use the applicable IRS instructions to determine whether filing is required and which parts apply. signNow can help prepare, route, sign, download, and retain a completed copy, but the IRS remains the authority for filing requirements and tax treatment.
Who uses Form 3520 workflows
U.S. individual filers
U.S. individuals who receive reportable foreign gifts or have covered foreign trust transactions can use a prepared Form 3520 workflow to collect information, review entries, and preserve a signed copy. The IRS instructions determine whether the person’s facts create a filing obligation; signNow manages document routing rather than tax eligibility.
Tax professionals
Tax and accounting teams can prepare Form 3520 packages for clients, assign review and signature steps, and retain completed copies with audit evidence. Role-based access helps limit exposure to taxpayer identification numbers and foreign-transaction details while authorized professionals coordinate the filing record.
How to complete Form 3520 online
Complete Form 3520 by preparing the required information, reviewing each field, signing the record, and preserving the finished form with its audit trail.
Upload the form: Upload the current Form 3520 PDF and confirm that its fields are available for completion. Complete required fields: Review each detected field and enter the foreign gift, trust, and filer information required for your filing. Send for signature: Add the appropriate signer, review the completed Form 3520, and send it through signNow. Store the record: Sign the form, download the completed copy, and retain the audit trail with supporting tax records.
Steps to prepare Form 3520
Use this sequence to prepare, review, sign, and retain a Form 3520 record through signNow.
Upload Form 3520:
Upload the Form 3520 PDF to signNow. Review the fields:
Check detected fields and add missing entries. Add the signer:
Assign the filer or authorized signer. Send for signing:
Send the form for electronic signature. Save the records:
Download the signed form and audit trail.
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Recommended Form 3520 workflow settings
Use a controlled signing workflow that separates preparation, signer access, audit evidence, and tax-record retention for Form 3520.
| Setting | Recommendation |
|---|---|
| Authentication method | Email verification with optional SMS OTP |
| Signature type | Typed or drawn electronic signature |
| Audit trail | Capture timestamps, signer actions, and completion history |
| Document retention | Retain three years from filing under IRC §6501(a) |
| Encryption and provisioning | Use encrypted storage with role-based workspace access |
Best practices for Form 3520 records
Prepare Form 3520 from the IRS instructions, preserve the signed record, and align retention and access controls with the filing facts.
Confirm the filing obligation first
Apply the IRS retention periods
Export the complete audit record
Secure the archived tax package
Find and fill out the correct 2021 form 3520 internal revenue service
airSlate SignNow helps you fill in and sign documents in minutes, error-free. Choose the correct version of the editable PDF form from the list and get started filling it out.
| Versions | Form popularity | Fillable & printable |
|---|---|---|
| IRS 3520 2023 | 4.8 Satisfied (318 Votes) | |
| IRS 3520 2021 | 4.8 Satisfied (1352 Votes) | |
| IRS 3520 2020 | 4.8 Satisfied (868 Votes) | |
| IRS 3520 2018 | 4.8 Satisfied (2821 Votes) | |
| IRS 3520 2017 | 4.7 Satisfied (246 Votes) | |
| IRS 3520 2016 | 4.7 Satisfied (1568 Votes) |
Form 3520 completion timeline
Form 3520 timing depends on accurate preparation, signer review, and preservation of the final IRS record and supporting documentation.
Prepare the form
Deliver to signer
Review and sign
Archive the record
Privacy challenges when handling Form 3520
Form 3520 can contain names, addresses, taxpayer identification numbers, foreign account details, and transfer values requiring restricted access. Sending a completed form without confirming the recipient can expose sensitive tax information to an unintended signer or mailbox. A missing electronic-consent record can make the signing history harder to document for a consumer-facing workflow. Overbroad workspace permissions can let users view or download another filer’s Form 3520 and supporting records.
Signer security for Form 3520
Signer identity:
Second factor:
Enterprise controls:
Transport encryption:
Stored data:
Security assurance:
What the Form 3520 audit trail records
A signNow audit trail documents the signing events surrounding Form 3520 so the completed record can be reviewed and reproduced.
Authenticate signer:
Timestamp action:
Hash document:
Seal record:
Confirm completion:
Export evidence:
Legal standing of signed Form 3520 records
ESIGN and UETA generally recognize electronic signatures and records in U.S. transactions when intent, consent, attribution, and reproducible retention are established. They do not determine whether Form 3520 is required or correctly completed; the IRS instructions and applicable tax law control those questions.

Form 3520 troubleshooting questions
These answers separate IRS filing responsibilities from signNow’s document preparation, signing, audit-trail, and retention functions.
Upload the Form 3520 PDF again and inspect the detected fields before sending. signNow Business includes templates and audit trails, but the IRS—not signNow—determines whether every required tax field is present and accurate.
Use signNow’s signer authentication options, including SMS OTP where available, and confirm the recipient’s identity before sending taxpayer information. Electronic-signature validity still depends on intent, consent, attribution, and record retention under ESIGN and applicable UETA law.
Business is listed at $8/user/month with annual billing and includes legally binding eSignatures, templates, audit trails, and mobile apps. Business Premium is $15/user/month annually and adds bulk send, which can help with repeated Form 3520 workflows.
A completed Form 3520 should be retained with its supporting tax records. IRC §6501(a) generally provides a three-year assessment period from filing, while six years may apply when income is understated by more than 25 percent; consult a tax professional for the facts.
signNow can route and preserve a signed Form 3520, but it does not file the return with the IRS or decide whether filing is required. Follow the current IRS instructions for submission method, filing address, and applicable reporting obligations.
Use a restricted signNow workspace, role-based permissions, encrypted storage, and the exported audit trail. HIPAA controls are relevant only when protected health information is involved; they do not replace IRS rules for Form 3520.
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