Can an Additional Service Work Order be e-signed?

Yes. Electronic signatures satisfy U.S. law under the ESIGN Act and most state UETA statutes when intent, consent, attribution, and record retention are met. Exceptions exist for wills and certain court filings; verify for specific transaction types.

Is notarization required?

Not always. Whether notarization is required depends on state law and the nature of the work order. For real-estate related changes or documents that alter title, a notary or witnesses may be required; many states permit RON with identity proofing requirements.

What if a party's details are incorrect?

Correct errors promptly by issuing an amended Additional Service Work Order signed by all parties. Minor clerical fixes can be corrected by initialed addenda; substantive changes require reauthorization to avoid disputes or tax and billing complications.

How to link the work order to the master contract?

Reference the master agreement number and attach or cite the specific clause authorizing change orders. Ensure the work order states how the master contract terms apply and include a cross-reference for invoices and dispute resolution.

Can work orders change taxes or reporting?

Yes. Changes that affect compensation, billing, or contractor classification can trigger tax reporting obligations and backup withholding if TINs are incorrect. Retain copies for at least three years and consult tax counsel for reportable modifications.

How should executed orders be stored?

Store executed work orders in a secure document repository with controlled access, encryption at rest, and searchable metadata. Maintain audit trails and backups, and follow retention schedules required by IRS, HIPAA (if applicable), and other regulators.

Electronic Signature
Templates
Miscellaneous
Additional Service Work Order

Additional Service Work Order

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

ADDITIONAL SERVICE WORK ORDER

Work Order No.: Date of This Work Order:

RECITALS

WHEREAS, Client Name: and Contractor Name: entered into a written agreement titled Original Agreement dated (the Agreement).

WHEREAS, the parties wish to amend the scope of services and authorize additional work as set forth below; and WHEREAS, this Additional Service Work Order is issued pursuant to and governed by the terms of the Agreement except as expressly modified herein.

SCOPE OF ADDITIONAL SERVICES

Detailed Description of Additional Services Itemized Additional Services (if applicable)

Item 1 — Description

Quantity: Unit Price: Total:

Item 2 — Description

Quantity: Unit Price: Total:

Item 3 — Description (optional)

Quantity: Unit Price: Total:

PAYMENT TERMS

Total Additional Compensation: $ payable in accordance with the schedule below. All amounts are stated in U.S. dollars unless otherwise agreed in writing.

Payment Schedule / Milestones

Deposit required upon execution: $. Balance payable as set forth in the Payment Schedule.

Late Payment: Amounts not paid when due shall accrue interest at % per month (or the maximum rate permitted by law), plus all costs of collection, including reasonable attorneys' fees.

Invoicing: Contractor shall submit invoices in accordance with the Payment Schedule. Client shall pay undisputed amounts within days of receipt. Disputed amounts must be stated in writing within days of receipt to preserve rights to dispute.

TERM AND TERMINATION

Commencement of Additional Services: Services under this Work Order shall commence on and are anticipated to be completed by , subject to adjustments for change orders, delays, or excusable events.

Termination: Either party may terminate this Work Order for convenience upon providing days' prior written notice. Termination for material breach may be immediate if the breach is not cured within a reasonable cure period specified in a written notice. Upon termination, Contractor shall be entitled to payment for all work performed and documented costs reasonably incurred through the effective date of termination.

Effect on Original Agreement: Except as expressly modified herein, all terms and conditions of the Agreement remain in full force and effect. To the extent of any conflict between this Work Order and the Agreement, the terms of this Work Order shall govern with respect to the additional services described herein.

CONFIDENTIALITY

Each party acknowledges that it may receive Confidential Information of the other. "Confidential Information" means non-public business, technical or financial information disclosed by a party that is designated confidential or that reasonably should be understood to be confidential. Receiving party shall (a) use Confidential Information only for performance of this Work Order, (b) protect it with the same standard of care it uses to protect its own confidential information but not less than reasonable care, and (c) not disclose Confidential Information to third parties except to its employees, agents or subcontractors who need to know and who are bound by confidentiality obligations at least as protective as those herein. Confidentiality obligations shall survive termination or expiration of this Work Order for a period of three (3) years, except for trade secrets which shall be protected for as long as they qualify as trade secrets.

CHANGES AND CHANGE ORDERS

Any change to the scope, schedule, price, or other material term of this Work Order must be documented in a written Change Order signed by authorized representatives of both parties. No oral instruction or course of conduct shall constitute a Change Order. Pending execution of a Change Order, Contractor may elect to suspend work on the affected portion until authorization is received; in such event, Contractor shall be entitled to equitable adjustment in price and schedule.

GOVERNING LAW; DISPUTE RESOLUTION

This Work Order shall be governed by and construed in accordance with the laws of the State of , without regard to conflict of law principles. The parties agree that disputes will first be escalated to senior management for resolution in good faith prior to pursuing litigation.

ENTIRE AGREEMENT

This Work Order, together with the Agreement and any executed Change Orders, constitutes the entire agreement between the parties with respect to the additional services described herein and supersedes all prior and contemporaneous agreements and understandings, whether written or oral, relating to the subject matter of this Work Order. No amendment shall be effective unless in writing and signed by authorized representatives of both parties.

NOTICES

Notices under this Work Order shall be in writing and delivered to the contact information below for each party. Notices are effective upon receipt.

Client Contact — Name and Address Contractor Contact — Name and Address

Client:

By:

Date:

Contractor:

By:

Date:

What an Additional Service Work Order Is and when it applies

An Additional Service Work Order is a supplemental contractual document used to describe, authorize, and price extra services or changes beyond an original service agreement. It records the scope, schedule, cost adjustments, and acceptance criteria for added work, creating a clear change-order trail between the service provider and the client. Typically appended to a master service agreement or purchase order, this form allocates responsibility, establishes approval signatures, and defines revised payment terms or timelines to reduce disputes and support accurate invoicing and recordkeeping.

Why using a formal Additional Service Work Order matters

Use an Additional Service Work Order to document scope changes, authorize budget updates, and set new delivery dates. Clear additional work orders protect both parties by formalizing approvals, preventing scope creep, and providing an audit trail for billing and contract enforcement.

Typical creators, approvers, and signers

Operations managers, project leads, procurement officers, account managers, and client representatives typically create, review, or approve Additional Service Work Orders.

Project managers who submit scope changes, coordinate resources, and monitor delivery for the added tasks.
Procurement teams that verify cost changes, issue purchase approvals, and update vendor records for billing.
Clients and account teams who approve additional charges, confirm acceptance criteria, and sign amended agreements.

Keep stakeholders aligned by routing work orders to named approvers and retaining executed copies with the master contract for enforcement and audits.

Core elements every professional Additional Service Work Order should include

A complete Additional Service Work Order clearly defines scope, pricing, schedule, approvals, acceptance criteria, and references to the base contract so changes are enforceable and auditable.

Scope

Describe the additional tasks in detail, including deliverables, specific activities, exclusions, performance standards, milestones, and any technical specifications needed to execute and verify the new work.

Pricing

State fixed fees, hourly rates, unit prices, and any contingencies; include tax treatment, payment schedule, invoicing milestones, authorization for extra expenses, and late payment penalties.

Schedule

Specify start and completion dates, milestones, lead times for materials, dependencies on other tasks, and consequences for missed deadlines, including revised acceptance dates and dispute resolution timelines.

Approvals

Identify who must approve the work order (name, title, delegation limits), approval method, and required signature or electronic authentication level and date of authorization to record the audit trail.

Acceptance

Define acceptance criteria, testing procedures, inspection checkpoints, and the process for sign-off, dispute escalation, or correction cycles after delivery, including required documentation and timelines for remedy or rework.

References

Attach or reference the original contract, prior work orders, change logs, purchase orders, and any technical drawings or specifications necessary to execute added work, and include applicable permits.

Step-by-step: complete and execute an Additional Service Work Order

Follow these steps to complete and execute an Additional Service Work Order accurately and efficiently.

01

Identify Change: Document the exact scope and reasons for additional work.
02

Price It: Calculate itemized costs, taxes, and contingencies.
03

Get Approval: Obtain required signatures or electronic authorizations.
04

Archive: Store executed copy with contract records.

How to set up an online approval and signing workflow

Configure an online workflow to route, authenticate, and archive Additional Service Work Orders using standard eSignature tools and conditional fields.

Field	Configuration
Routing Order	Set signer sequence and auto-forwarding.
Authentication Level	Choose email, SMS code, or KBA.
Conditional Fields	Show fields only when applicable.
Audit Trail	Enable timestamps and IP logging.

Typical submission and signing path

Typical routing and submission paths for the work order, from creation through signing, approval, and archiving.

Create Document: Prepare and attach scope, cost, and references.
Add Signers: Include approvers, contractors, and client contacts.
Send for Signature: Deliver secure signing link or email invitation.
Finalize Record: Store executed copy and update project ledger.

Distribution channels and platform considerations

Distribution options for Additional Service Work Orders include email, secure signing platforms, RON notarization, and physical delivery depending on requirements.

Email Delivery: Standard PDF attached in email.
Signing Platform: Use certified eSignature service.
Notary Options: In-person or RON notarization accepted.

Key deadlines and expected processing times

Key deadlines and expected processing times for executing, approving, and billing additional services under a work order.

Requester Submission Deadline:

Submit proposed work order before scheduled start date.

Approval Turnaround:

Typical internal approval within three to five business days.

Invoicing Deadline:

Issue invoice within thirty days of acceptance.

Payment Terms:

Follow agreed net terms, commonly net thirty.

Record Retention Start:

Retention period begins on effective date.

Milestones from request to closeout

Sequential milestones for an Additional Service Work Order outline creation, approval, execution, and closure phases to aid project tracking.

01

Draft and Review

Prepare draft, circulate to stakeholders for comment within the first business day.

02

Formal Approval

Authorized approver signs or e-signs with required authentication level.

03

Work Commencement

Vendor begins added work after acceptance and any required permits.

04

Closeout and Billing

Complete final inspection, sign acceptance, and issue final invoice.

Common mistakes to avoid when preparing a work order

Failing to describe added tasks precisely, which leads to misaligned expectations, unapproved work, and billing disagreements between vendor and client.
Omitting signatures or dates on the executed work order creates enforceability questions and can delay payment or project continuation.
Using vague cost language like 'reasonable' without defined rates or caps invites disputes and complicates accounting and tax reporting.
Failing to attach or reference the master agreement and prior change logs makes it difficult to reconcile obligations and compute adjusted liabilities.

Potential consequences of errors or omissions

Late Approval: Delays in payment.

Incorrect Pricing: Underbilling or overbilling risk.

Unapproved Scope: Work deemed unauthorized.

Tax Consequences: IRC §6721 exposure.

Contract Dispute: Potential breach claims.

Recordkeeping Failure: Retention violations.

Real-world examples of how organizations use Additional Service Work Orders

These concise case examples show practical outcomes when additional services are documented and executed with clear change orders.

Optica Ventures

Optica Ventures used a structured additional work order to document service changes and align client expectations on timelines and deliverables.

This reduced disputes and sped approvals.
By tying the work order to the master agreement and requiring named approvers, the company shortened approval cycles, improved invoice accuracy, and maintained a clear audit trail for client billing and project records.

Martin Properties

Martin Properties processed multiple change orders online to avoid in-person signings and to keep real estate transactions moving during site closures.

They achieved full compliance while remote.
Implementing clear additional service work orders reduced turnaround time, ensured each amendment linked to the base contract, and provided portable documentation usable across mobile and desktop devices for efficient closing and recordkeeping.

A concise eSignature vendor comparison relevant to work orders

Compare basic plan costs and feature presence for eSignature vendors commonly considered when executing Additional Service Work Orders.

	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 (Premium)	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	No	No

Frequently asked questions and troubleshooting tips

Answers to common questions about executing, signing, and storing Additional Service Work Orders, with practical fixes for routine issues.

Need help? Contact support

Can an Additional Service Work Order be e-signed?
Yes. Electronic signatures satisfy U.S. law under the ESIGN Act and most state UETA statutes when intent, consent, attribution, and record retention are met. Exceptions exist for wills and certain court filings; verify for specific transaction types.
Is notarization required?
Not always. Whether notarization is required depends on state law and the nature of the work order. For real-estate related changes or documents that alter title, a notary or witnesses may be required; many states permit RON with identity proofing requirements.
What if a party's details are incorrect?
Correct errors promptly by issuing an amended Additional Service Work Order signed by all parties. Minor clerical fixes can be corrected by initialed addenda; substantive changes require reauthorization to avoid disputes or tax and billing complications.
How to link the work order to the master contract?
Reference the master agreement number and attach or cite the specific clause authorizing change orders. Ensure the work order states how the master contract terms apply and include a cross-reference for invoices and dispute resolution.
Can work orders change taxes or reporting?
Yes. Changes that affect compensation, billing, or contractor classification can trigger tax reporting obligations and backup withholding if TINs are incorrect. Retain copies for at least three years and consult tax counsel for reportable modifications.
How should executed orders be stored?
Store executed work orders in a secure document repository with controlled access, encryption at rest, and searchable metadata. Maintain audit trails and backups, and follow retention schedules required by IRS, HIPAA (if applicable), and other regulators.

be ready to get more

Join over 28 million airSlate SignNow users

Sign Now