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ST-12 Wisconsin Sales And Use Tax Return

Use a ST-12 Wisconsin Sales and Use Tax Return 2020 template to make your document workflow more streamlined.

What the ST-12 return does

The ST-12 Wisconsin Sales And Use Tax Return is a Wisconsin tax form used to report the filer’s sales and use tax information for the applicable reporting period. It organizes taxpayer details, reported transactions, taxable amounts, tax calculations, payments, credits, and the amount due or overpaid, as applicable to the form version. A preparer can upload the return to signNow, review detected fillable fields, route it to an authorized signer, and preserve the completed PDF with its audit trail. Filing requirements and due dates come from Wisconsin tax authorities, not signNow.

Who works with the ST-12 return

Wisconsin businesses

Wisconsin businesses and their accounting staff use the ST-12 to report sales and use tax information for the applicable reporting period. signNow helps preparers upload the return, route it to an authorized signer, and retain the completed document with its audit trail.

Tax preparers

External tax preparers can prepare an ST-12 for a client, assign review and signature roles, and preserve the signed return. Client authorization, filing responsibility, and any required Wisconsin Department of Revenue submission remain separate from the signing workflow.

Manage ST-12 access by role

  • Wisconsin tax teams can keep a shared ST-12 template in signNow, assign preparation and review permissions, and delegate sending to authorized staff. Administrators control workspace access while preserving a consistent return workflow for each reporting period.
  • Accounting departments can separate data entry, approval, and signature responsibilities for the ST-12. signNow role assignments, reusable templates, and audit trails help managers confirm who prepared, reviewed, sent, and completed each return.

How the ST-12 workflow works

Move the ST-12 from preparation to signature through a controlled signNow workflow that preserves the completed document and its audit history.

  • Upload form: Upload the Wisconsin return
  • Prepare fields: Detect and place fields
  • Send return: Send to authorized signer
  • Preserve evidence: Store completed record
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Complete the ST-12 in signNow

Use this short sequence to prepare the Wisconsin return, obtain the required signature, and retain the completed record.

  • Upload form:

    Upload the ST-12 PDF
  • Check fields:

    Review detected fields
  • Assign signer:

    Assign authorized signer
  • Send return:

    Send and monitor completion

Recommended setup for ST-12 workflows

Use controlled access, documented signer identity, encrypted transmission, and retention rules aligned with the Wisconsin return’s tax-record obligations.

SettingRecommendation
Authentication methodEmail invitation with SMS verification
Signature typeElectronic signature with signer intent
Audit trailEnable completion history and export
Document retentionRetain under applicable tax policy
EncryptionAES-256 at rest and TLS 1.2/1.3

Find and fill out the correct april 2020 s 012 st 12 wisconsin sales and use tax return state county and stadium sales and use tax st 12

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
WI DoR ST-12 20204.8 Satisfied (1882 Votes)
WI DoR ST-12 20154.8 Satisfied (9428 Votes)

Platform requirements for completing ST-12

Complete the ST-12 Wisconsin Sales And Use Tax Return in a current Chrome, Firefox, Safari, or Edge browser on Windows or macOS. signNow protects connections with TLS 1.2 or TLS 1.3, and its mobile apps support signing workflows on iOS and Android.

  • Browser support Chrome, Firefox, Safari, and Edge
  • Desktop systems Windows and macOS desktops
  • Mobile access iOS and Android mobile apps

Organizations should use managed Windows, macOS, iOS, or Android devices when ST-12 records contain taxpayer information. Administrators can evaluate signNow API access, SSO provisioning, retention policies, and audit-trail export requirements before assigning the workflow to accounting staff or delegated preparers.

Connect ST-12 workflows to business systems

Connect the ST-12 workflow with CRM, ERP, cloud storage, and collaboration systems to reduce rekeying and keep completed returns organized.

Salesforce
Procore
Zapier
Microsoft Teams
Hub spot
Box
Microsoft

Security controls for ST-12 records

Data encryption:

AES-256 at rest

Secure transmission:

TLS 1.2/1.3 in transit

Security reporting:

SOC 2 Type II certified

Information security:

ISO 27001 certified

Electronic signatures:

ESIGN and UETA compliant

Privacy controls:

GDPR compliant controls

ST-12 preparation and completion timeline

Process the return in four controlled stages; confirm Wisconsin filing deadlines separately because the available record does not establish one universal due date.

01

Prepare the return

Confirm the reporting period, taxpayer information, sales figures, use-tax figures, and preparer details before sending.
02

Deliver to signer

Send the completed ST-12 to the authorized signer through a signNow invitation or controlled signing link.
03

Obtain signature

Signer turnaround depends on the organization’s review and filing calendar; no universal figure is established here.
04

Complete and archive

Download or export the signed return and audit trail, then preserve both under the applicable tax-record policy.

Recordkeeping practices for ST-12 returns

Preserve the signed Wisconsin return, audit history, supporting calculations, and retention rationale in one controlled recordkeeping process.

Export the signed return with its audit trail

Export the completed ST-12 and signNow audit trail together after signing. The audit trail records the signing history and helps connect the final return to its electronic execution. Store both files in an access-controlled repository rather than relying on an individual inbox.

Set retention from the underlying tax obligation

Apply the retention period required for the tax matter and verify Wisconsin rules before deleting records. Federal tax records may require three years from filing under IRC §6501(a), six years for a 25% income understatement, or longer in specified circumstances.

Review each reporting period before sending

Restrict ST-12 access to preparers, reviewers, and authorized signers. Use shared templates for consistent field placement, but review each reporting period’s figures and taxpayer information before sending the return.

Protect downloaded copies and reconciliation records

Use AES-256 at rest and TLS 1.2/1.3 in transit through signNow, then limit downloaded copies. Record who approved the Wisconsin return and reconcile the signed document with the filed tax record.

Troubleshoot ST-12 completion and signing

Resolve field, delivery, signer-consent, plan, and recordkeeping questions before treating a Wisconsin ST-12 return as complete.

Upload the original ST-12 PDF or an approved copy, then review signNow’s detected fields before sending. If fields are missing, add text, date, checkbox, or signature fields manually so the Wisconsin return is complete before signature.

The Business plan includes templates and audit trails, while Business Premium adds bulk send. Choose the plan based on whether staff send individual Wisconsin returns or repeated versions to multiple authorized recipients.

Use signNow’s audit trail and completion record to document signer identity, timestamps, actions, and the finalized ST-12. ESIGN and UETA recognize electronic signatures when intent, consent, attribution, and record retention requirements are satisfied.

If the signer cannot open the invitation, verify the email address, resend the request, or use a controlled signing link. Avoid sending taxpayer information through an unapproved channel while troubleshooting delivery.

Keep the completed ST-12 and its audit trail together in an approved repository. Federal tax-record retention can depend on the underlying tax matter, including IRC §6501(a); confirm Wisconsin-specific requirements separately.

For a consumer-facing electronic transaction, provide the required ESIGN disclosure and confirm the consumer can access electronic records. signNow supports electronic signing, but the organization remains responsible for obtaining legally required consent.

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