Can an invoice be valid with an electronic signature?

Yes. Under the federal ESIGN Act (15 U.S.C. ch. 96) and state UETA statutes, electronic signatures are generally legally enforceable if intent, consent, attribution, and record retention requirements are met.

What if the payer requests a paper invoice?

If a payer requests paper, provide it and document the request. For consumer-facing transactions, obtain ESIGN consumer consent when offering electronic records per 15 U.S.C. §7001(c).

Do invoices need notarization or witnesses?

Ordinary commercial invoices do not require notarization or witnesses. Notarial requirements apply to certain legal instruments, not routine billing documents.

How long should I keep invoice records?

Retain invoicing and supporting financial records for a minimum of 3 years for IRS purposes (IRC §6501); industry rules like HIPAA may require 6 years for health-related records.

Can I use a site-wide eSignature plan for high volume?

Yes. Usage-based site licenses priced per signature invite are common for 1,000+ documents per year; evaluate plans that offer API access and enterprise features for volume workflows.

What authentication level is recommended for approvals?

Use at least email plus access codes for standard approvals; use stronger methods (SMS code, KBA, or advanced signer authentication) for high-value invoices or regulatory-sensitive documents.

Electronic Signature
Templates
Finance
Finance Invoice Checklist

Finance Invoice Checklist

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

FINANCE INVOICE CHECKLIST

Purpose: This checklist is used to verify the completeness, accuracy, and compliance of an invoice prior to payment or issuance. Completion of this checklist certifies that the invoice has been reviewed against governing purchase documents, tax requirements, and company payment policies.

Invoice Information

From (Issuing Company)

To (Bill To)

Invoice Number: Invoice Date: Due Date: Payment Terms:

Purchase Order / Contract Ref: Currency: Remittance Address:

Itemized Charges

Description	Quantity	Unit Rate	Amount

Subtotal Tax Shipping / Other Total

Checklist Items (confirm each)

Vendor identity verified and tax ID confirmed (W-9 or equivalent on file)

Purchase order or contract reference matches invoice

Itemized charges match supporting documentation and delivery records

Quantities and unit rates verified against PO or contract

Tax calculation reviewed for correct jurisdiction and rate

Currency and conversion (if applicable) confirmed

Bank / remittance details provided and authenticated

Required internal approvals obtained (finance, procurement, project)

Invoice cross-checked against prior payments to prevent duplicate payment

All supporting documents attached (timesheets, delivery receipts, statements)

If any checklist item is unchecked, explain below

Payment & Compliance Notes

Payment Instructions / Special Terms

Late fee policy: Unless otherwise agreed in writing, late payments may be subject to interest at a rate consistent with company policy and applicable law. Any deviations from standard terms must be documented and approved by authorized personnel.

Confidentiality: The information contained in this invoice and supporting documentation may be confidential. Recipients must handle financial information in accordance with company confidentiality and data security policies.

Certification

I hereby certify, under penalty of company disciplinary action and to the best of my knowledge, that the invoice identified above is accurate, that goods or services were received as stated, that charges are consistent with the governing purchase order or contract, and that payment may be scheduled in accordance with the payment terms documented herein. I further attest that all required tax documentation has been requested and retained as required by policy.

Approver Printed Name:

Signature:

Date:

What the Finance Invoice Checklist Covers

The Finance Invoice Checklist is a standardized worksheet that ensures each invoice contains the essential data and approvals required for accurate billing, timely payment, and audit readiness. It organizes fields such as invoice number, issue and due dates, payer and payee details, line-item descriptions, quantities, unit prices, taxes, discounts, payment terms, and attaching supporting documents. The checklist helps accounts payable and accounts receivable teams confirm completeness, apply consistent coding, and reduce disputes before an invoice is issued or entered into the accounting system.

Why a Checklist Improves Invoice Accuracy and Controls

A consistent Finance Invoice Checklist reduces billing errors, accelerates approval cycles, and supports compliance with tax and recordkeeping rules. It creates a repeatable process that lowers dispute rates and preserves evidence for audits and regulatory reviews.

Teams and Roles That Regularly Use This Checklist

The Finance Invoice Checklist is used across finance, billing, and operations to standardize invoice creation and review before dispatch.

Accounts Payable teams that validate incoming invoices, match PO and receipt details, and schedule vendor payments.
Accounts Receivable and billing specialists who prepare outgoing invoices, confirm contract terms, and monitor aging.
Freelancers, contractors, and small-business owners who need consistent invoices to support payment and tax reporting.

Use the checklist to reduce rework, speed payment cycles, and create a defensible record of what was billed and approved.

Core Sections of a Professional Finance Invoice Checklist

A practical checklist groups related items so reviewers can quickly confirm completeness and compliance. The six components below reflect common accounting and audit requirements.

Header

Invoice number, issue date, due date, and unique internal reference for tracking and reconciliation.

Parties

Supplier and customer legal names, billing addresses, remit-to details, and Tax ID or EIN where required.

Line Items

Description of goods or services, quantities, unit prices, discounts, extended totals, and SKU or PO references.

Taxes & Fees

Applicable sales tax, VAT, withholding, and clearly stated taxable vs. non-taxable line items.

Payment Terms

Net terms, early-payment discounts, late payment interest, payment methods, and bank/payment processor details.

Attachments

Purchase orders, delivery receipts, timesheets, and any supporting documentation required for audit.

Step-by-Step: Use the Checklist Before Sending an Invoice

Follow these sequential checks to validate content, approvals, and attachments before issuing the invoice.

01

Verify Parties: Confirm legal names and remit-to address match contract or PO.
02

Match PO/Receipt: Ensure quantities, prices, and PO numbers reconcile with goods/services delivered.
03

Confirm Taxes: Apply correct tax rates and include tax registration numbers if required.
04

Attach Evidence: Include signed delivery receipts, timesheets, or approvals before sending.

Configure an Online Invoice Workflow

Set up the digital workflow so invoices are generated, routed, and archived consistently.

Field	Configuration
Template	Create a reusable invoice template with locked header fields and editable line items.
Approval Order	Define signer/approver sequence for billing review and finance sign-off.
Automated Reminders	Enable reminder emails for overdue invoices and pending approvals.
Archive Folder	Route completed invoices to a structured, access-controlled storage location.

Typical Routing Flow for Invoices

A clear route reduces delays; the common path below shows the typical handoffs from creation to payment.

Create: Billing generates invoice from contract or PO.
Review: Finance verifies amounts, taxes, and attachments.
Approve: Authorized approver signs or authorizes payment.
Send & Archive: Invoice is delivered and stored with audit trail.

Digital Signing and Submission Requirements

Choose a platform that supports secure e-signatures, audit trails, and integration with your accounting system.

Formats: PDF and DOCX output supported.
Integrations: Connects to ERP or accounting systems.
Authentication: Supports email, SMS, and higher-assurance methods.

Common Timing Rules and Expected Processing Times

Understand internal and external deadlines so invoices are issued timely and deductions or late fees are avoided.

Issue Date vs Tax Period:

Issue date determines tax reporting period and influences when revenue is recognized.

Payment Terms:

Standard terms are Net 30 or Net 45; confirm contractually agreed terms before invoicing.

Internal Approval SLA:

Set reviewer response times (e.g., 2 business days) to prevent payment delays.

Remittance Lead Time:

Allow bank/processor settlement time; wire transfers typically settle in 1–2 business days.

Dispute Resolution Window:

Specify the period for raising invoice disputes to avoid prolonged accounts receivable aging.

Common Mistakes to Avoid When Preparing Invoices

Missing or inconsistent vendor/customer names that prevent PO matching and delay payment by multiple cycles.
Incorrect tax calculations or omitted tax IDs that trigger withholding, audit questions, or tax authority adjustments.
Unclear line-item descriptions that lead to client disputes and extended reconciliation periods.
Absent supporting documents such as signed delivery receipts or timesheets that block accounts payable approvals.

Key Risks and Financial Consequences

Backup Withholding: 24% withholding for missing/incorrect TINs

Late Payment Costs: Interest or fees per contract terms

Tax Audit Exposure: Incomplete records increase audit risk

Incorrect 1099s: Penalties under IRC §6721 apply

Duplicate Payments: Overpayments reduce cashflow

Contract Breach: Disputed invoices can trigger remedy clauses

Invoice Checklist in Practice: Two Illustrations

These brief examples show how the checklist reduces friction across common scenarios.

Vendor Payment Reconciliation

A mid-sized supplier standardized invoices to include PO and delivery ID

Resulted in fewer payment holds
The finance team reduced average reconciliation time by multiple business days and lowered duplicate payments, creating clearer audit trails for quarter-end review.

Freelancer Billing

An independent contractor adopted the checklist for every invoice

Included task codes and signed timesheets
Clients approved invoices faster due to consistent detail, improving cashflow predictability and reducing query volume.

Practical Tips for Accurate and Efficient Invoicing

Apply process controls and automation where practical to reduce manual errors and speed approvals.

Standardize Templates

Use a single template with required fields enforced by the workflow. Lock header fields, require PO match, and make attachments mandatory for specific invoice types to avoid incomplete submissions.

Automate Matching

Enable three-way matching (invoice, PO, receipt) in your accounting system to automatically flag discrepancies and reduce manual review time.

Record Audit Trail

Capture signer identity, timestamps, and IP addresses for approvals. Maintain a tamper-evident PDF of the final invoice and linked supporting documents for audit readiness.

Train Staff

Provide a short onboarding guide and periodic refreshers for billing staff on required fields, tax handling, and dispute escalation procedures to ensure consistent quality.

eSignature Pricing and Feature Snapshot for Invoice Workflows

Compare basic pricing and key capabilities across common eSignature providers to evaluate cost and feature fit for invoicing and approvals.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo	$15/user/mo	$14/user/mo	$19/user/mo	$15/user/mo
Free Trial	7-day trial	Yes	Yes	Yes	Yes
Bulk Send	Yes	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	No	No

Frequently Asked Questions About the Finance Invoice Checklist

Answers to common operational and compliance questions encountered when creating and sending invoices.

Need help? Contact support

Can an invoice be valid with an electronic signature?
Yes. Under the federal ESIGN Act (15 U.S.C. ch. 96) and state UETA statutes, electronic signatures are generally legally enforceable if intent, consent, attribution, and record retention requirements are met.
What if the payer requests a paper invoice?
If a payer requests paper, provide it and document the request. For consumer-facing transactions, obtain ESIGN consumer consent when offering electronic records per 15 U.S.C. §7001(c).
Do invoices need notarization or witnesses?
Ordinary commercial invoices do not require notarization or witnesses. Notarial requirements apply to certain legal instruments, not routine billing documents.
How long should I keep invoice records?
Retain invoicing and supporting financial records for a minimum of 3 years for IRS purposes (IRC §6501); industry rules like HIPAA may require 6 years for health-related records.
Can I use a site-wide eSignature plan for high volume?
Yes. Usage-based site licenses priced per signature invite are common for 1,000+ documents per year; evaluate plans that offer API access and enterprise features for volume workflows.
What authentication level is recommended for approvals?
Use at least email plus access codes for standard approvals; use stronger methods (SMS code, KBA, or advanced signer authentication) for high-value invoices or regulatory-sensitive documents.

be ready to get more

Join over 28 million airSlate SignNow users

Sign Now