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Additional Services Work Contract

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ADDITIONAL SERVICES WORK CONTRACT

This Additional Services Work Contract (the "Contract") is made and entered into as of by and between Client Name: with Address: and Service Provider Name: with Address: .

RECITALS

WHEREAS, Client and Service Provider are parties to an existing agreement governing certain services (the "Primary Agreement"), and Client requires Additional Services beyond the scope of the Primary Agreement; and

WHEREAS, Service Provider has represented that it possesses the skill, experience and resources necessary to perform the Additional Services described herein; and

WHEREAS, the parties desire to set forth the terms and conditions under which Service Provider will perform such Additional Services.

NOW, THEREFORE

In consideration of the mutual covenants and promises contained herein, the parties agree as follows:

1. SCOPE OF ADDITIONAL SERVICES

1.1 Service Provider will furnish all labor, materials, equipment and supervision necessary to perform the Additional Services described below (the "Services"). Services shall be performed in accordance with the standards of care, skill and diligence customary in the industry.

1.2 The Services shall include, if applicable, the tasks, deliverables, milestones and any deliverable acceptance criteria set forth in the Work Order below.

2. TERM AND SCHEDULE

2.1 Commencement: Service Provider shall commence the Services no later than , unless otherwise agreed in writing.

2.2 Completion: Service Provider shall substantially complete the Services by , subject to adjustments for approved change orders, delays beyond Service Provider's control, and extensions agreed in writing.

3. COMPENSATION; INVOICES; PAYMENT

3.1 Service Provider shall submit written invoices to Client at the intervals specified above. Each invoice shall describe work performed, dates, hours (if hourly), materials and any approved expenses.

3.2 Payment Terms: Client shall pay undisputed amounts within days of Client's receipt of a properly submitted invoice. Late payments shall accrue interest at the lesser of 1.5% per month or the maximum rate permitted by law, and Client shall reimburse Service Provider for reasonable collection costs.

4. CHANGES; ADDITIONAL WORK

4.1 Any change to the Services, scope, price or schedule must be set forth in a written change order signed by authorized representatives of both parties. Service Provider shall not be required to perform Additional Work absent an executed change order.

5. CLIENT RESPONSIBILITIES

5.1 Client shall provide timely access to premises, information, approvals and materials necessary for Service Provider to perform the Services. Client shall designate a representative authorized to provide decisions and approvals related to the Services.

6. WARRANTIES AND PERFORMANCE

6.1 Service Provider warrants that the Services will be performed in a professional and workmanlike manner in accordance with industry standards. For a period of following completion, Service Provider will, at its expense, promptly correct defects in performance reported in writing by Client, provided such defects arise from Service Provider's negligence or failure to perform.

7. INTELLECTUAL PROPERTY

7.1 Unless otherwise agreed in writing, Service Provider shall retain ownership of preexisting intellectual property and tools, and Client shall receive a nonexclusive, nontransferable license to use deliverables solely for Client's internal purposes. To the extent any deliverable is developed specifically for Client and paid in full, the parties agree that ownership of such deliverable will be transferred to Client, subject to Service Provider's retained rights in general methodologies, know-how and tools.

8. CONFIDENTIALITY

8.1 Each party shall keep confidential all proprietary and confidential information of the other party disclosed in connection with the Services ("Confidential Information") and shall not disclose such information except to its employees, subcontractors and advisors who have a need to know and who are bound by confidentiality obligations at least as protective as those herein. Confidential Information does not include information that is or becomes publicly available through no breach by the receiving party or is independently developed without access to the other party's Confidential Information.

9. INDEMNIFICATION

9.1 Service Provider shall indemnify, hold harmless and defend Client from and against all third-party claims, liabilities, damages and expenses (including reasonable attorneys' fees) arising out of or resulting from Service Provider's gross negligence or willful misconduct in performing the Services. Client shall indemnify Service Provider for claims arising from Client's breach of this Contract or Client-provided information or materials.

10. INSURANCE

10.1 During performance of the Services, Service Provider shall maintain insurance customary for the industry, including commercial general liability and, if applicable, workers' compensation and professional liability insurance with limits sufficient to cover liabilities that may arise under this Contract. Service Provider shall provide certificates of insurance upon Client's reasonable request.

11. TERMINATION

11.1 Either party may terminate this Contract for material breach by the other party if the breaching party fails to cure within thirty (30) days after written notice specifying the breach. Client may terminate this Contract for convenience upon ten (10) days' prior written notice to Service Provider; in such event Service Provider shall be entitled to payment for Services performed and documented costs incurred through the effective date of termination and for reasonable demobilization expenses.

12. DISPUTE RESOLUTION

12.1 The parties shall first attempt in good faith to resolve any dispute arising out of or relating to this Contract through negotiation between senior representatives. If the dispute is not resolved within thirty (30) days, the dispute shall be submitted to binding arbitration before a single arbitrator in accordance with the arbitration rules selected by the parties. Judgment upon the award may be entered in any court having jurisdiction. Either party may seek interim injunctive or equitable relief in a court of competent jurisdiction.

13. NOTICES

13.1 All notices required or permitted under this Contract shall be in writing and delivered to the addresses set forth below by hand delivery, nationally recognized overnight courier, or certified mail, return receipt requested, and shall be deemed given upon receipt.

14. AMENDMENTS; WAIVER

14.1 No amendment or modification of this Contract shall be effective unless made in writing and signed by authorized representatives of both parties. No failure or delay by either party in exercising any right shall operate as a waiver of that right, and no single or partial exercise of any right shall preclude any other or further exercise.

15. GOVERNING LAW; ENTIRE AGREEMENT; SEVERABILITY

15.1 Governing Law: This Contract shall be governed by and construed in accordance with the laws of the State selected by the parties. The parties submit to the exclusive jurisdiction of the courts of the chosen jurisdiction for actions not subject to arbitration as set forth above.

15.2 Entire Agreement: This Contract, together with any executed change orders and referenced Work Orders, constitutes the entire agreement between the parties with respect to the Additional Services and supersedes all prior negotiations, proposals, and agreements, whether written or oral.

15.3 Severability: If any provision of this Contract is held invalid or unenforceable by a court of competent jurisdiction, the remaining provisions shall remain in full force and effect and the parties shall endeavor in good faith to replace the invalid or unenforceable provision with a valid provision that most closely approximates the parties' intent.

16. MISCELLANEOUS

16.1 Independent Contractor: Service Provider is an independent contractor and not an employee, partner or agent of Client. Service Provider shall be solely responsible for all employment taxes, benefits and other obligations with respect to its personnel.

16.2 Assignment: Neither party may assign its rights or delegate its duties under this Contract without the other party's prior written consent, which shall not be unreasonably withheld, except that Service Provider may assign receivables.

16.3 Counterparts and Electronic Signatures: This Contract may be executed in counterparts, each of which shall be an original and all of which together shall constitute one instrument. Signatures transmitted by electronic means shall be effective to bind the signing party.

EXECUTION

The parties, intending to be legally bound, have executed this Contract by their duly authorized representatives as of the dates set forth below.

Client:

Printed Name:

By:

Date:

Service Provider:

Printed Name:

By:

Date:

Enter text✕

What the Additional Services Work Contract Is

An Additional Services Work Contract documents a change to an existing services agreement by specifying extra tasks, deliverables, schedule adjustments, and payment terms. It supplements the original contract without replacing core terms unless explicitly stated. Use this contract to record agreed scope changes, establish prices or rates for the added work, set delivery milestones, and create acceptance criteria so both parties understand obligations and remedies.

Why a Clearly Written Additional Services Work Contract Matters

A precise additional services contract reduces disputes by defining scope, timelines, compensation, and approval steps. It creates an auditable change record that supports invoicing, project management, and legal enforceability under applicable contract law.

Why a Clearly Written Additional Services Work Contract Matters

Who Typically Prepares and Signs This Contract

Multiple stakeholders create and rely on additional services contracts, especially when project scope shifts or clients request extra tasks.

  • Project managers and contractors who need to document scope and schedule changes for operational clarity and billing.
  • Clients or procurement officers who must approve additional work, costs, and revised delivery dates before execution.
  • Legal or finance teams that review amended terms to ensure compliance with original agreements and budget controls.

Ensure the person signing has authority to bind the party; see Who Has Authority to Sign for details.

Core Elements to Include in a Professional Additional Services Work Contract

A complete additional services contract isolates the change from the base agreement while making enforcement practical and auditable.

Scope of Services

Describe added tasks in specific, measurable terms so deliverables and exclusions are clear and the parties share the same expectations.

Deliverables

List tangible outputs, formats, acceptance tests, and delivery locations or file-transfer methods to avoid disagreement about completion.

Schedule

Specify milestones, interim deadlines, and final delivery dates; include time zones and consequences for missed milestones.

Payment Terms

State amounts, rates, billing schedule, invoice requirements, and payment due dates; mention late fees or interest if applicable.

Change Order Process

Include how future changes are requested, reviewed, priced, approved, and incorporated—avoid vague language like 'reasonable effort'.

Acceptance Criteria

Define objective tests or client sign-off steps that constitute acceptance and trigger final payment or warranty periods.

Step-by-Step: How to Complete the Contract

Use this sequence to prepare, review, and execute an Additional Services Work Contract reliably.

  • 01
    Prepare: Collect the original contract and change documentation.
  • 02
    Populate Fields: Fill in names, scope, schedule, and payment details.
  • 03
    Review: Have legal or finance review material terms and risks.
  • 04
    Execute: Obtain authorized signatures and distribute final copies.

How to Configure an Online Workflow for This Contract

Configure a repeatable online workflow to ensure consistent routing, authentication, and storage for additional services agreements.

Document workflow field name and setting Define a template name and versioning convention for reuse.
Template name to reuse Use descriptive name including client and service; include version date.
Signer authentication method Choose email link, SMS code, or stronger KBA depending on risk.
Email notification schedule Enable reminders at configurable intervals and final copy delivery.
Storage location and filename pattern Set cloud folder, retention policy, and filename with contract ID.

Digital Signing and Distribution: Platform Considerations

Select a platform that supports PDF and DOCX upload, audit trails, and optional advanced authentication for higher-risk agreements.

  • Client Apps: Desktop and mobile access
  • File Formats: PDF and DOCX supported
  • Integrations: Connectors to cloud storage

Ensure the platform provides an audit trail, retention controls, and, if required, a Business Associate Agreement for HIPAA-covered workflows.

Typical Routing: From Draft to Final Signed Copy

A consistent routing flow reduces delays and preserves a clear audit trail for approvals and sign-offs.

  • Send to Client: Upload contract and assign signer roles.
  • Signer Notification: Recipient receives secure email or link.
  • Sign and Date: Signer authenticates and signs electronically.
  • Store Executed Copy: Save signed PDF and audit certificate to archive.

Key Timing Rules and Typical Deadlines

Track critical dates in the contract and enforceable deadlines to avoid payment and performance disputes.

Effective Date:

Date the contract or amendment takes effect; enter as MM/DD/YYYY.

Notice for Additional Work:

Specify how many days' notice is required before work begins, often 5–30 days.

Payment Due Date:

State invoice terms such as Net 30 from invoice receipt.

Dispute Notice Period:

Define period to notify the other party of defects, commonly 30–60 days.

Recordkeeping Deadline:

Retain contract records per IRS, HIPAA, or company policy; see Retention Timeline.

Milestone Timeline for an Additional Services Change

Use these numbered milestones to track the amendment from request through final acceptance.

01

Request Submitted

Client or contractor submits scope change request with details.

02

Agreement Signed

Both parties sign the additional services contract amendment.

03

Work Performed

Contractor completes tasks according to milestones.

04

Final Acceptance

Client signs acceptance and final payment is released.

Common Mistakes to Avoid When Preparing the Contract

  • Vague scope descriptions that invite disputes about what work was included and which tasks incur extra charges.
  • Omitting a clear change order process, leaving parties unsure how future variations will be priced or approved.
  • Using informal signatories without authority; unsigned or improperly signed amendments can be unenforceable.
  • Failing to align payment milestones with deliverables, leading to cash-flow problems and collection disputes.

Penalties and Legal Risks from an Incorrect Amendment

Contract Ambiguity: May lead to disputes or litigation
Late Payment: Interest or collections costs
Tax Consequences: Incorrect invoicing triggers withholding or reporting issues
Unauthorized Signatures: Non-binding or void amendment
Regulatory Exposure: HIPAA or industry rules may impose fines
Operational Delay: Project schedule and cost overruns

Typical eSignature Platform Comparison for Executing Additional Services Contracts

Compare common eSignature vendor characteristics relevant to executing and storing contract amendments; signNow is listed first per platform comparison conventions.

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

Frequently Asked Questions About Additional Services Work Contracts

Answers to common execution, enforceability, and recordkeeping questions for amendments and change orders.


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