
D 400 Form (2019)
Use a D 400 Form 2019 template to make your document workflow more streamlined.
What the D 400 Form (2019) does
The D 400 Form (2019) is a North Carolina individual income tax return for reporting a taxpayer’s state income, adjustments, credits, tax liability, payments, and balance due or refund. A filer or authorized preparer completes the applicable lines, reviews supporting schedules, and signs the return before submission through the required state filing process. signNow can organize the PDF, place signature fields, route it for electronic signatures, and preserve an audit trail. State acceptance, filing instructions, and signature requirements should be checked against North Carolina Department of Revenue guidance for the applicable edition.
How the D 400 Form workflow works
Complete the D 400 Form through a controlled upload, field review, signature request, and audit-trail workflow.
Upload form: Upload the D 400 Form PDF to signNow. Check fields: Review detected fields and add missing taxpayer fields. Assign signers: Assign signature and date fields to each signer. Store record: Send, complete, and retain the signed tax record.
Steps to complete the D 400 Form
Use this sequence to prepare the D 400 Form in signNow while keeping taxpayer roles and completion evidence clear.
Upload form:
Upload the D 400 PDF. Check fields:
Review detected and missing fields. Assign roles:
Assign taxpayer and preparer roles. Send request:
Send signature invitations. Store records:
Save the signed return and audit trail.
Features for completing the D 400 Form
signNow connects the D 400 Form PDF, assigned fields, electronic signatures, and completion records in one documented workflow.
PDF preparation
Upload the D 400 PDF and prepare it without recreating North Carolina tax-return fields manually, reducing transcription between the source document and the signing workflow.
Field detection
Auto-detected fields help identify existing blanks, while reviewers can add taxpayer, spouse, preparer, signature, and date fields before sending the return.
Role assignment
Assign fields to the taxpayer, spouse, or preparer so each person completes only the information and signatures designated for that role.
Signature routing
Send the prepared D 400 Form by email and collect signatures without passing paper copies between the taxpayer and authorized preparer.
Audit trail
The audit trail records signing activity, timestamps, and related events, creating a review record alongside the completed North Carolina return.
Record storage
Completed files can be retained with their audit trail, supporting later access to the signed D 400 Form and associated filing records.
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Security controls for D 400 records
Transport encryption:
Stored encryption:
Security certification:
Control reporting:
Electronic signatures:
Privacy controls:
Platform requirements for D 400 signing
A browser-based D 400 workflow requires an internet connection and a supported browser such as Chrome, Firefox, Safari, or Edge. signNow protects data in transit with TLS 1.2/1.3 and provides mobile apps for iOS and Android.
Browsers Chrome, Firefox, Safari, Edge Operating systems Windows, macOS, iOS, Android Connection security TLS 1.2/1.3 encryption
Tax preparers should use managed Windows or macOS devices when handling taxpayer information and restrict access to authorized staff. Review mobile permissions before using iOS or Android devices, and preserve the completed D 400 Form and audit trail in an approved records system.
Find and fill out the correct 2012 d 400 form
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 |
|---|---|---|
| NC DoR D-400 2025 | 4.7 Satisfied (50 Votes) | |
| NC DoR D-400 2023 | 4.8 Satisfied (329 Votes) | |
| NC DoR D-400 2022 | 4.8 Satisfied (1352 Votes) | |
| NC DoR D-400 2021 | 4.8 Satisfied (2103 Votes) | |
| NC DoR D-400 2020 | 4.8 Satisfied (167 Votes) | |
| NC DoR D-400 2019 | 4.6 Satisfied (1284 Votes) |
What the D 400 audit trail records
The audit trail documents the signing events behind a completed D 400 Form, separate from the steps used to prepare and send the PDF.
Authenticate signer:
Capture timestamp:
Track document:
Seal record:
Log events:
Export trail:
Privacy checks for D 400 Form
Personal taxpayer data may remain visible in completed PDFs shared without recipient controls. Missing consent records can weaken evidence that electronic delivery was accepted. Unrestricted folder permissions can expose Social Security numbers and tax information. Forwarded signing links can allow unintended access to the D 400 Form.
Risks from incomplete D 400 records
Incorrect return
Missing information
Incomplete audit trail
Poor retention
D 400 rollout and retention timeline
A D 400 workflow can move from preparation to controlled signing, then into retention periods shaped by federal tax-record rules.
Setup:
First send:
Team onboarding:
Seven-day trial:
Completion:
Three years:
Six years:
Indefinitely:
Best practices for D 400 records
Retain the signed return, audit trail, and filing evidence as one controlled record, using the applicable federal and North Carolina requirements.
Apply the applicable tax period
Export the audit trail
Restrict taxpayer information
Check North Carolina rules
D 400 Form troubleshooting questions
These answers address field preparation, signature evidence, plan selection, consent, and retention for the D 400 Form workflow.
Upload the D 400 PDF again and inspect the source file for password protection or corruption. signNow’s field detection works from the uploaded document; add missing signature and date fields manually before sending the return.
Open the document’s recipient settings and confirm that the taxpayer, spouse, or preparer has the correct assigned fields. Unassigned fields can prevent completion even when the D 400 PDF itself opens correctly.
Use signNow’s audit trail to review the signing event, timestamp, and activity history. ESIGN and UETA recognize electronic signatures when intent, consent, attribution, and record retention requirements are satisfied.
The Business plan includes legally binding eSignatures, templates, audit trails, and mobile apps at $8/user/month with annual billing. Business Premium adds bulk send at $15/user/month annually; verify plan suitability for your D 400 volume.
A consumer-facing electronic record may require an ESIGN disclosure explaining paper-record rights, electronic access, and consent withdrawal procedures under 15 U.S.C. §7001(c). Obtain the required consent before routing the D 400 electronically.
Retain the completed D 400 Form and audit trail according to the applicable North Carolina and federal recordkeeping rules. For federal tax records, IRC §6501(a) provides a three-year assessment period, with longer periods in specified situations.
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