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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.

SettingRecommendation
Authentication methodEmail verification with optional SMS OTP
Signature typeTyped or drawn electronic signature
Audit trailCapture timestamps, signer actions, and completion history
Document retentionRetain three years from filing under IRC §6501(a)
Encryption and provisioningUse 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

Use the IRS instructions to determine the applicable Form 3520 filing obligation before entering values. Confirm the filer’s status, transaction type, dates, and amounts, then have a qualified tax professional review uncertain foreign-trust or foreign-gift classifications before signing.

Apply the IRS retention periods

Retain the completed Form 3520 and supporting records for three years from filing under IRC §6501(a). If the return understates income by more than 25 percent, retain relevant records for six years; fraud or no return filed can require indefinite retention.

Export the complete audit record

Download the completed PDF and signNow audit trail after every signing event. Keep the final document, completion history, signer identity evidence, and transmission record together so the Form 3520 package can be reproduced during an IRS inquiry.

Secure the archived tax package

Store Form 3520 records in a restricted archive with encryption and role-based access. Separate preparation, review, and signature permissions, and avoid sending taxpayer identification numbers through unprotected email or sharing links that lack recipient controls.

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.

VersionsForm popularityFillable & printable
IRS 3520 20234.8 Satisfied (318 Votes)
IRS 3520 20214.8 Satisfied (1352 Votes)
IRS 3520 20204.8 Satisfied (868 Votes)
IRS 3520 20184.8 Satisfied (2821 Votes)
IRS 3520 20174.7 Satisfied (246 Votes)
IRS 3520 20164.7 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.

01

Prepare the form

Complete all required Form 3520 fields using the applicable IRS instructions.
02

Deliver to signer

Send the completed document to the designated signer through signNow.
03

Review and sign

Signer turnaround depends on review of the foreign transaction details.
04

Archive the record

Download the signed form and audit trail for tax-record retention.

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:

Email link verification

Second factor:

SMS OTP available

Enterprise controls:

Advanced authentication on Enterprise

Transport encryption:

TLS 1.2/1.3 in transit

Stored data:

AES-256 at rest

Security assurance:

SOC 2 Type II certified

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.

01

Authenticate signer:

Record the signer’s authentication event.
02

Timestamp action:

Capture the signing timestamp and action.
03

Hash document:

Preserve the document version hash.
04

Seal record:

Seal the completed record against changes.
05

Confirm completion:

Record signer completion and delivery.
06

Export evidence:

Export the audit trail with Form 3520.

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.

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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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