Can a Business Service Add be signed electronically?

Yes. Electronic signatures are generally enforceable under the federal ESIGN Act (15 U.S.C. ch. 96) and state UETA statutes where adopted. To preserve enforceability, capture signer intent, consent to e-records, attribution, and a retrievable record.

When is notarization required?

Most commercial service addenda do not require notarization, but specific circumstances or state law may impose notarization or witness steps. Check local notarization rules before sending for signature.

Who must sign the addendum?

An authorized representative with signature authority for each contracting party should sign. Finance or legal teams may require proof of authority such as a corporate resolution for larger contractual commitments.

How do I correct an executed addendum?

Do not alter an executed document. Prepare a new corrective addendum or amendment signed by authorized parties that explicitly supersedes or corrects the prior addendum.

How should the executed addendum be stored?

Retain the executed copy in the contract repository, attach it to the base agreement, and keep audit logs. For HIPAA or regulated records, follow the applicable retention rules noted earlier.

What if a party refuses to sign?

Document communications, propose clarifying language, and escalate per procurement or legal escalation procedures; if unresolved, avoid performing the added services until executed.

Business Service Add

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

BUSINESS SERVICE ADD

This Business Service Addendum (the "Addendum") is made effective as of and is entered into by and between Client Name: ("Client") and Service Provider Name: ("Provider").

RECitals

WHEREAS, Client and Provider are parties to a written Services Agreement dated (the "Agreement"); and

WHEREAS, the parties desire to amend the Agreement to add certain services, expand the scope of work, and establish payment terms for the additional services described herein; and

WHEREAS, except as expressly modified by this Addendum, the Agreement remains in full force and effect.

SCOPE OF ADDED SERVICES

Description of Additional Services Deliverables (if any) Location of Performance

PAYMENT TERMS

Total Additional Fee:

Payment Schedule

Invoicing and Due Date: Provider shall submit invoices to Client and Client shall pay invoices within days of receipt.

Late Payment: Unpaid amounts shall accrue interest at or the maximum rate permitted by law, whichever is lower, measured from the invoice due date until paid.

Reimbursable Expenses

Taxes: The parties acknowledge that Client is responsible for applicable sales and use taxes and Provider will remit employment taxes as required by law. Other tax responsibilities shall follow the Agreement.

TERM AND TERMINATION

The term for the added services shall commence on and shall end on , unless earlier terminated as provided in the Agreement or this Addendum.

Either party may terminate this Addendum upon days' prior written notice to the other party. Termination shall not relieve Client of its obligation to pay for services performed and expenses incurred prior to termination.

CONFIDENTIALITY

All Confidential Information exchanged in connection with the added services shall be subject to the confidentiality provisions of the Agreement. Each party shall use Confidential Information solely for performance under this Addendum and shall not disclose it except as permitted by the Agreement.

The obligations in this section shall survive termination of this Addendum for a period of years, unless a longer period is specified in the Agreement.

GOVERNING LAW

This Addendum shall be governed by and construed in accordance with the laws of the State of without regard to its conflicts of law principles.

ENTIRE AGREEMENT; AMENDMENT

This Addendum, together with the Agreement, constitutes the entire understanding of the parties with respect to the subject matter hereof. To the extent of any conflict between this Addendum and the Agreement, this Addendum shall control. Any amendment to this Addendum must be in writing and signed by authorized representatives of both parties.

NOTICES

Client Notice Address Provider Notice Address

Except as modified herein, all terms, conditions, covenants and provisions of the Agreement remain unchanged and in full force and effect.

Client:

By:

Date:

Service Provider:

By:

Date:

What the Business Service Add Is and when it’s used

A Business Service Add is a formal addendum that amends an existing services agreement to add, change, or clarify deliverables, scope, pricing, timelines, or other commercial terms. It records the parties, effective date, new service descriptions, acceptance criteria, pricing or invoicing adjustments, and any revised termination or renewal language. The addendum is usually executed by authorized representatives and attached to the original contract so both documents are read together. When executed electronically, it should include signer attribution, an audit trail, and record-retention provisions to preserve enforceability.

Why organizations use a Business Service Add

Use a Business Service Add to document changes without reissuing a full agreement, reduce disputes over scope or fees, and preserve an auditable contract history. Clear addenda limit ambiguity for procurement, finance, and delivery teams while enabling faster approvals and consistent invoicing.

Who typically prepares and signs a Business Service Add

A Business Service Add is usually prepared by contract managers, procurement, or account teams and reviewed by legal or finance before signature.

Vendors and account managers who need to add services, update pricing, or document change orders in existing client contracts.
Procurement and purchasing officers who must approve amendments and maintain vendor contract records for audit and budget control.
Legal and finance reviewers who validate contractual language, tax implications, invoicing terms, and signature authority.

Final execution normally requires signatures from authorized representatives on both sides and any required witness or notary steps per jurisdiction.

Core elements to include in a professional addendum

A concise Business Service Add groups changes into standard sections so reviewers can confirm what is different from the base agreement.

Scope

Describe new services precisely, including tasks, milestones, deliverables, and acceptance criteria so both parties share the same performance expectations and quality standards.

Pricing

State the exact fees, payment schedule, billing codes, taxes, and whether pricing is fixed, hourly, or milestone-based to avoid invoice disputes.

Schedule

Specify start and completion dates, lead times, delivery windows, and any penalties or remedies tied to missed milestones and late deliveries.

Change control

Reference the original agreement’s change-order procedure or define how future modifications are handled, including approval thresholds and documentation required.

Responsibilities

Assign roles for each party—who provides access, credentials, approvals, documentation, or sign-offs—and clarify escalation steps for issues.

Signatures

Include printed name, title, date, and signature block for each party; note whether an electronic signature is acceptable and any notarization or witness requirements.

Essential information to collect on the addendum

Legal entity: Full registered business name

Contact address: Street, city, state, ZIP

Service description: Concise scope summary

Price terms: Amount and payment terms

Effective date: MM/DD/YYYY date

Signer details: Name, title, signing authority

Step-by-step: completing a Business Service Add

Follow these steps to prepare, review, and execute a clear addendum that minimizes downstream questions.

01

Draft changes: List exact additions, deletions, or edits to the main agreement.
02

Reference base contract: Cite original agreement name, date, and section numbers being changed.
03

Review internally: Obtain legal, finance, and procurement approvals before sending to counterparty.
04

Execute: Collect authorized signatures and record the executed addendum with contract files.

Configuring an online completion workflow

Set these fields when building the addendum as a reusable online template to speed approvals and reduce data entry errors.

Field	Configuration
Effective Date	Auto-fill today or allow signer edit
Service Line	Use a multi-line text field with character limit
Pricing	Numeric field with currency validation
Signer Role	Assign role-based signer order

Where to send and file the completed addendum

Routing the executed addendum properly ensures visibility for billing, delivery, and audit teams.

To the counterparty: Email signed copy to the authorized contact listed on the master agreement.
Internal contracts: Upload final version to the contract repository or CLM system.
Finance: Send copies to accounts payable/receivable for billing updates.
Project team: Notify delivery leads and update project plans or SOWs.

Digital signing and technical considerations

Verify the e-signature platform supports required authentication, audit trails, and export formats before sending an electronically signed addendum.

File formats: PDF, DOCX, and HTML supported
Integrations: CRM, ERP, and cloud storage connectors
Authentication: Email, SMS, KBA, or SSO options

Use a platform that produces tamper-evident signed PDFs, preserves a timestamped audit trail, and integrates with storage or contract lifecycle systems for reliable recordkeeping.

Typical timelines and internal deadlines

Plan approvals and execution timelines to ensure services start on time and invoicing aligns with new terms.

Internal review:

Allow 3–5 business days for legal and finance review.

Counterparty review:

Expect 5–10 business days for negotiation and approval.

Execution window:

Sign and return within 10 business days unless otherwise specified.

Billing effective date:

Confirm whether charges begin on signature date or stated effective date.

Record retention:

File executed copy within contract management system immediately.

Common preparation errors to avoid

Vague scope language that omits measurable deliverables and acceptance criteria, creating disagreement about completion.
Failing to reference the original agreement precisely, which can create uncertainty about which terms remain unchanged.
Mismatched party names or signer titles that delay execution, trigger re-signing, or jeopardize payment.
Not updating billing or tax identifiers leading to invoice rejections, incorrect tax reporting, or delayed payments.

Consequences of an incorrect or incomplete addendum

Payment delays: Invoices may be disputed or held until scope and pricing are clarified

Contract disputes: Ambiguous terms can lead to breach claims or litigation

Tax issues: Incorrect billing information can trigger reporting or withholding errors

Regulatory risk: Industry-specific noncompliance (for example, HIPAA) can result in violations

Audit findings: Poor recordkeeping increases risk during internal or external audits

Operational disruption: Unclear deliverables delay project execution and escalate costs

Comparison: common eSignature options for executing addenda

Compare basic pricing and key capabilities when choosing an eSignature provider for executing Business Service Adds. signNow is listed first per neutral comparison requirements.

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

Frequently asked questions about executing a Business Service Add

Answers to common questions about signature validity, notarization, and updates when working with addenda in U.S. contracts.

Need help? Contact support

Can a Business Service Add be signed electronically?
Yes. Electronic signatures are generally enforceable under the federal ESIGN Act (15 U.S.C. ch. 96) and state UETA statutes where adopted. To preserve enforceability, capture signer intent, consent to e-records, attribution, and a retrievable record.
When is notarization required?
Most commercial service addenda do not require notarization, but specific circumstances or state law may impose notarization or witness steps. Check local notarization rules before sending for signature.
Who must sign the addendum?
An authorized representative with signature authority for each contracting party should sign. Finance or legal teams may require proof of authority such as a corporate resolution for larger contractual commitments.
How do I correct an executed addendum?
Do not alter an executed document. Prepare a new corrective addendum or amendment signed by authorized parties that explicitly supersedes or corrects the prior addendum.
How should the executed addendum be stored?
Retain the executed copy in the contract repository, attach it to the base agreement, and keep audit logs. For HIPAA or regulated records, follow the applicable retention rules noted earlier.
What if a party refuses to sign?
Document communications, propose clarifying language, and escalate per procurement or legal escalation procedures; if unresolved, avoid performing the added services until executed.

be ready to get more

Join over 28 million airSlate SignNow users

Sign Now