Can invoices be signed electronically?

Yes. Electronic signatures are legally enforceable under the ESIGN Act (15 U.S.C. ch. 96) and UETA in most states when intent, consent, attribution, and retention requirements are met; exceptions in statute still apply.

What if the customer has incorrect invoice details?

Issue a corrected invoice or credit memo depending on accounting policy; document the correction, notify the customer, and retain both original and corrected records for audit and tax purposes.

Are invoices taxable documents?

If sales tax applies, list tax amounts and jurisdiction on the invoice. Taxability depends on goods or services and state rules; consult the state Department of Revenue for specific obligations and rate guidance.

How long must I keep invoices?

Keep invoices at least three years for IRS purposes (IRC §6501(a)), longer if income was understated; healthcare-related records may require six years under HIPAA (45 CFR §164.530(j)).

How do I correct a signed invoice?

Issue a corrected invoice or credit memo and retain originals; if signature authentication matters, follow your eSignature provider's correction workflow and capture a new signed record.

What happens after non-payment?

Follow documented collection steps: send reminders, apply late fees per contract, escalate to collections or legal action if needed, and keep records of all communications to support disputes.

Electronic Signature
Templates
Sales
Sales Invoice Template

Sales Invoice Template

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

Sales Invoice

Seller (Remit To)

Company Name Billing Address Contact Tax / VAT ID

Buyer (Bill To / Ship To)

Client Name Billing Address Contact Buyer Tax / VAT ID

Invoice #:

Invoice Date:

Due Date:

PO#:

Itemized Charges

Item	Description	Quantity	Unit Price	Line Total

Subtotal Sales Tax / VAT (%) Tax Amount Shipping & Handling Total Due

Payment Terms

Payment is due in full by the Due Date stated above. Accepted payment methods (select all that apply):

Wire Transfer Credit Card Check Other

Bank or Payment Details (if applicable)

Late Payment

Invoices not paid by the Due Date will incur interest at the lesser of 1.5% per month or the maximum rate permitted by law, plus reasonable collection costs. A late fee of may be applied.

Delivery & Risk of Loss

Delivery Method: . Estimated Delivery Date: . Risk of loss transfers to Buyer upon delivery to the carrier unless a written agreement states otherwise.

Warranty & Returns

Seller warrants that goods supplied conform to their specifications and are free from material defects for a period of months from delivery. This limited warranty does not apply to defects caused by misuse, modification, improper installation, or normal wear and tear. Return authorizations must be obtained in writing prior to return; restocking fees may apply.

Detailed Return Policy

Taxes & Duties

All taxes, duties, and governmental charges imposed on the transaction will be borne by the Buyer unless otherwise agreed in writing. Buyer is responsible for providing tax exemption documentation prior to invoicing if applicable.

Limitation of Liability

Except for personal injury or intentional misconduct, Seller's aggregate liability arising from or relating to this invoice or the goods/services shall not exceed the amount paid for the goods or services giving rise to the claim. In no event will Seller be liable for indirect, incidental, special, punitive, or consequential damages.

Governing Law

This invoice and any dispute arising out of or related to it shall be governed by and construed in accordance with the laws specified by the parties: . Venue for disputes shall be exclusive to courts located in that jurisdiction, unless the parties agree otherwise in writing.

Acceptance

By signing below, Buyer acknowledges receipt of this invoice, accepts the goods/services described, and agrees to the payment and contractual terms set forth herein. Seller represents that the invoice is true, correct, and that Seller is authorized to issue this invoice.

Seller:

By:

Date:

Buyer:

By:

Date:

What a Sales Invoice Template Is and when to use it

Sales Invoice Template is a standardized document sellers use to request payment for goods or services delivered. It records sale date, invoice number, itemized list of products or services, unit prices, quantities, taxes, discounts, payment terms, and total amount due. A clear invoice supports bookkeeping, accounts receivable, sales tax compliance, and audit trails. Businesses use invoices to trigger accounting entries, manage collections, and provide proof of sale for customers. This template is suitable for single invoices, recurring billing, and batch distribution in digital or printed form.

Why a consistent Sales Invoice Template matters

Using a consistent Sales Invoice Template reduces billing errors, simplifies audit and tax reporting, and standardizes payment terms across customers. Clear line items and totals improve collection rates and make it easier to reconcile payments in accounting software or bank statements.

Who typically issues or completes a Sales Invoice Template

Common users of a Sales Invoice Template include small business owners, freelancers, accountants, and accounts receivable teams.

Small business owners: issue invoices for product or service sales and track outstanding payments.
Freelancers and contractors: bill clients by project or hourly rates and enforce payment terms.
Accounting teams: reconcile payments, apply credits, and prepare tax reporting and bookkeeping entries.

Select a template that matches your billing cadence, industry requirements, and integration needs with accounting software.

Core elements to include on a professional Sales Invoice Template

Core elements of a professional Sales Invoice Template ensure clear billing, tax compliance, and straightforward payment processing across customers and systems.

Invoice number

Assign a unique, sequential invoice number to support audit trails and prevent duplication; include leading zeros if required by your accounting practice and ensure sequence continuity for tax record integrity.

Issue date

Record the invoice issue date in MM/DD/YYYY format; this date starts payment terms and affects aging reports and statutory timelines for tax and warranty purposes.

Line items

List each product or service separately with descriptions, unit price, quantity, SKU, and any applicable discounts so customers can verify charges and accounting systems can map entries correctly.

Taxes & rates

Display applicable sales tax or VAT rates and calculated tax amounts by jurisdiction; include seller tax ID and clearly label tax-exempt items to avoid compliance issues.

Payment terms

Specify due date, accepted payment methods, late fee policy, and remittance instructions; use Net terms or fixed due dates to set expectations and speed collections.

Totals & notes

Show subtotal, itemized taxes, discounts, shipping, and final total; add memo fields for purchase order numbers, internal references, and any contract terms relevant to the sale.

Security, compliance, and records basics for invoices

Encryption: TLS 1.2/1.3 in transit; AES-256 at rest

Audit trail: Timestamp, IP, signer action log

Authentication: Email, SMS code, or SSO options

HIPAA support: BAA available for covered entities

Regulatory compliance: ESIGN, UETA, 21 CFR Part 11 support

Access controls: Role-based permissions and logs

Step-by-step: create, verify, and send a Sales Invoice

Follow these steps to create, verify, and send a Sales Invoice Template so it is legally clear and ready for payment processing.

01

Create invoice: Enter header, dates, and unique invoice number.
02

Add items: List products or services with prices and quantities.
03

Set terms: Define due date, payment methods, and penalties.
04

Send & track: Dispatch via email or e-invoice and monitor status.

Configure an online invoice workflow that fits your finance stack

Configure an online workflow to automate numbering, routing, and reminders for invoicing; integrate with accounting systems for automatic posting.

Document format and template selection	PDF or DOCX templates with fixed fields.
Invoice auto-numbering and sequence rules	Sequential IDs with prefix and check digits.
Routing and approval recipient rules	Send to approver, then accounts receivable.
Payment collection options and gateways	Enable ACH, card, or payment links.
Reminder schedules and late-fee automation	Set scheduled reminders and automatic late fee application.

Typical routing from invoice creation to payment posting

Typical routing for a Sales Invoice Template from creation to payment involves validation, sending, signer authentication, and recording payments in accounting ledgers.

Upload document: Upload the invoice file to the eSignature or billing system.
Add fields: Place signature, date, and payment fields on the invoice.
Authenticate signer: Use email, SMS code, or stronger methods.
Finalize: Signer completes signature; system issues completion certificate.

Delivery options and technical requirements for electronic invoices

Ensure your platform supports common file formats, API integrations, and authentication methods before sending invoices electronically.

File formats: PDF, DOCX, and XLSX supported
Integrations: Salesforce, NetSuite, Google Workspace, Box
Authentication options: Email link, SMS code, SSO

Timing to track: invoicing, payment, and reporting deadlines

Key timing considerations include invoice issue date, payment due date, tax reporting, and follow-up schedules to manage cash flow and compliance.

Invoice issue and due date:

Issue date starts payment terms; common terms include Due on receipt and Net 30.

Late payment policy:

State late fee percentage and grace period; ensure legal enforceability in your jurisdiction.

Tax reporting windows:

Reportable income may feed into 1099 forms; 1099-NEC due by Jan 31.

Payment follow-up schedule:

Send reminder after missed due date, escalate at intervals, document communications.

Recordkeeping deadline:

Retain invoices for tax and audit per IRS and state rules.

Common mistakes that delay payment or cause compliance issues

Missing or inconsistent invoice numbers create reconciliation errors and can undermine audit trails, delaying payment collection and complicating tax reporting.
Incomplete customer details or incorrect tax exemption flags lead to denied reimbursement, misapplied payments, or assessment of additional sales tax by authorities.
Ambiguous line item descriptions cause disputes; lack of supporting purchase order numbers increases time to resolve customer inquiries and delay cash flow.
Unclear payment terms or omission of late fee policy reduces leverage to collect on overdue invoices and complicates collections.

Potential penalties and financial risks to be aware of

Incorrect TIN: Triggers 24% backup withholding

Late 1099 filing: Penalties $60–$330 per form

Intentional disregard: Penalties $660+ per form, no cap

I-9 paperwork: Violations $281–$2,789 per violation

Sales tax errors: State fines and interest possible

Collection disputes: Delays and legal costs

eSignature vendor comparison for signing Sales Invoice Templates

Quick comparison of common eSignature vendors suitable for signing and delivering Sales Invoice Templates; signNow is shown first per platform data.

	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 free trial	Varies by plan	Varies by plan	Varies by plan	Varies by plan
Bulk Send	Yes	Yes	Yes	Yes	Varies by plan
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	No	No
Envelope Cap	No cap	100 envelopes/user/year	Varies by plan	Varies by plan	Varies by plan

Two real-world examples of invoice templates in use

These examples show how standard invoice templates reduce friction and speed payment across different business types.

Optica Ventures

Optica standardized invoice templates to speed billing across multiple projects and clients.

Template reduced manual entry and errors.
Integrating the template with accounting software shortened billing cycles, improved cash flow predictability, and simplified month-end reconciliations without changing client workflows or requiring in-person approvals.

Martin Properties

Martin Properties adopted mobile-ready invoice templates for rent and service charges to eliminate paper processes.

Mobile-ready invoices improved collection turnaround times.
Processing and executing invoices online enabled on-the-go approvals, consistent records for property managers, and easier compliance with state tax rules while preserving security and audit trails.

FAQs: signing, correcting, and storing Sales Invoice Templates

Common questions about using and signing Sales Invoice Templates, fixing errors, and handling late payments are answered below to help routine administration.

Need help? Contact support

Can invoices be signed electronically?
Yes. Electronic signatures are legally enforceable under the ESIGN Act (15 U.S.C. ch. 96) and UETA in most states when intent, consent, attribution, and retention requirements are met; exceptions in statute still apply.
What if the customer has incorrect invoice details?
Issue a corrected invoice or credit memo depending on accounting policy; document the correction, notify the customer, and retain both original and corrected records for audit and tax purposes.
Are invoices taxable documents?
If sales tax applies, list tax amounts and jurisdiction on the invoice. Taxability depends on goods or services and state rules; consult the state Department of Revenue for specific obligations and rate guidance.
How long must I keep invoices?
Keep invoices at least three years for IRS purposes (IRC §6501(a)), longer if income was understated; healthcare-related records may require six years under HIPAA (45 CFR §164.530(j)).
How do I correct a signed invoice?
Issue a corrected invoice or credit memo and retain originals; if signature authentication matters, follow your eSignature provider's correction workflow and capture a new signed record.
What happens after non-payment?
Follow documented collection steps: send reminders, apply late fees per contract, escalate to collections or legal action if needed, and keep records of all communications to support disputes.

be ready to get more

Join over 28 million airSlate SignNow users

Sign Now