
St 587 (2019) (2)
Use a St 587 2019 template to make your document workflow more streamlined.
What St 587 (2019) (2) is
St 587 (2019) (2) is an Illinois sales tax exemption certificate used to document why a purchase should receive exempt treatment. The purchaser identifies the transaction, the seller, and the applicable exemption basis, then an authorized representative signs the certificate. A seller can upload the PDF to signNow, review detected fields, route it to the designated signer, and retain the completed certificate with an audit trail. The certificate supports documentation; it does not independently create tax eligibility or replace Illinois Department of Revenue requirements.
How St 587 moves through signNow
St 587 moves from an Illinois exemption certificate upload to a signed, retrievable record through four controlled signNow actions.
Upload form: Upload the Illinois certificate Check details: Confirm purchaser and exemption data Add signer: Assign signer and required fields Archive record: Store signed certificate with its audit trail
Steps to complete St 587 online
Prepare the Illinois exemption certificate in signNow, verify every tax-related field, and preserve the completed record with its execution history.
Upload form:
Upload the St 587 PDF. Prepare fields:
Review detected fields and add missing fields. Assign signer:
Enter the seller or purchaser signer. Send certificate:
Send St 587 for review and signature. Store evidence:
Download the signed certificate and audit trail.
Useful signNow features for St 587
signNow organizes the Illinois exemption certificate workflow around accurate field completion, authorized signing, evidence capture, and controlled storage.
Form preparation
Upload the Illinois certificate and use signNow’s field detection to prepare purchaser, seller, exemption, and signature areas before sending.
Signer routing
Assign the authorized representative as signer and place signature, date, and required response fields directly on St 587.
Audit trail
Capture timestamps, signer actions, and document history so the completed certificate remains connected to its execution evidence.
Reusable template
Use reusable templates when collecting St 587 certificates from multiple suppliers or purchasers with the same field structure.
Mobile access
Open and complete the certificate from supported desktop browsers or signNow mobile apps when staff work away from the office.
Record handling
Connect signed records to approved storage or business systems while retaining the certificate with related transaction documentation.
Platform requirements for St 587
St 587 can be prepared in signNow through Chrome, Firefox, Safari, or Edge on Windows or macOS. signNow also provides iOS and Android mobile apps for reviewing and signing the Illinois certificate.
Supported browsers Chrome, Firefox, Safari, and Edge Desktop systems Windows and macOS desktop access Mobile apps iOS and Android signNow apps
Organizations should use managed devices, current browser security updates, and access controls appropriate for tax records. Enterprise deployments may also configure SSO, API access, and connected storage, but those controls do not determine whether an Illinois exemption applies.
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The legal value of St 587
St 587 documents an Illinois sales tax exemption claim and gives the seller a record of the purchaser’s stated basis. Electronic execution may be recognized under the federal ESIGN Act, 15 U.S.C. chapter 96, and applicable Illinois electronic-transactions law, while the Illinois Department of Revenue governs tax eligibility.

St 587 processing and archival stages
St 587 has no universal signNow turnaround deadline; processing depends on accurate preparation, signer availability, and the seller’s Illinois recordkeeping process.
Prepare the certificate
Deliver to signer
Complete signer review
Archive completion
Find and fill out the correct il dor st 587 2019
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 |
|---|---|---|
| IL DoR ST-587 2019 | 4.8 Satisfied (3196 Votes) | |
| IL DoR ST-587 2019 | 4.8 Satisfied (7795 Votes) | |
| IL DoR ST-587 2014 | 4.8 Satisfied (13846 Votes) |
What the St 587 audit trail records
A signNow audit trail documents the signing events surrounding St 587, helping the parties review who acted, when the certificate changed, and which final record was completed.
Authenticate signer:
Timestamp action:
Record field activity:
Seal record:
Link evidence:
Retrieve audit trail:
Security for St 587 records
Data in transit:
Stored document encryption:
Security reporting:
Information security:
Electronic records:
Signing evidence:
Best practices for St 587 records
Accurate field review, controlled templates, complete audit evidence, and an Illinois-focused retention policy reduce avoidable certificate disputes.
Verify every Illinois exemption detail
Control reusable St 587 templates
Preserve the certificate and audit trail
Confirm applicable retention rules
Challenges when preparing St 587
Entering a generic exemption explanation instead of the specific Illinois basis can leave the seller unable to connect St 587 to the transaction record. Sending St 587 without assigning the authorized representative creates an incomplete certificate even when every visible field appears populated. Saving the signed PDF without its audit trail separates the Illinois exemption claim from evidence showing who signed and when. Reusing an old certificate for a different purchase can misstate the purchaser, seller, item, or exemption circumstances.
Risks when St 587 is incomplete
Wrong exemption basis
Incomplete certificate
Unverified signer
Improper exemption
St 587 troubleshooting and questions
Use these answers to resolve field, signing, plan, and recordkeeping questions before accepting an Illinois sales tax exemption certificate.
St 587 is an Illinois sales tax exemption certificate. Upload the form to signNow, confirm the purchaser and exemption details, then send it for signature. Business plans include audit trails, while ESIGN and UETA support electronic execution where applicable.
St 587 should identify the purchaser, seller, exempt item or transaction, exemption basis, and authorized signer. signNow can auto-detect fillable fields after upload, but the sender should compare every populated field with the Illinois Department of Revenue form instructions.
Use signNow’s request authentication options when the exemption certificate contains tax-account information. Business Premium adds bulk send for repeated supplier requests; Enterprise adds advanced signer authentication. Select controls appropriate to the parties and Illinois transaction.
A completed St 587 does not replace Illinois registration, resale documentation, or transaction records. Keep the signed certificate and audit trail together, and apply the exemption only when the underlying Illinois rule permits it.
signNow Business is listed at $8 per user monthly with annual billing and includes audit trails and templates. Paid plans include 100 signature invites per user annually; overage terms should be reviewed before recurring certificate collection.
signNow encrypts data in transit with TLS 1.2 or 1.3 and at rest with AES-256. Its ESIGN and UETA compliance supports electronic records, but the Illinois Department of Revenue remains the authority for St 587 requirements.
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