Can an addendum be signed electronically?

Yes. Under the ESIGN Act (15 U.S.C. §7001) and UETA where adopted, electronic signatures are legally enforceable when intent, consent, attribution, and record retention are present.

When is notarization required?

Notarization is only required if the original contract or state law demands it, or for specific filing purposes; verify local notary rules before adding a notary block.

Who is authorized to sign?

An authorized officer or an individual with delegated authority per the original agreement or a board resolution should sign; signatures by unauthorized persons risk invalidation.

How to correct an executed addendum?

Prepare a new corrective addendum or mutual amendment signed by all parties; do not alter executed copies. Document the reason and approval path in the corrective instrument.

What if a signer refuses to sign electronically?

Offer a paper option or in-person signing; ensure identical content and retention standards, and confirm consent to electronic records where consumer protection rules apply.

How should executed addenda be stored?

Store final executed copies with the primary contract, export a tamper-evident PDF, and retain associated audit logs for the applicable retention period to meet legal reproducibility requirements.

Electronic Signature
Templates
Project Management
Project Management Term Sheet Addendum

Project Management Term Sheet Addendum

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

PROJECT MANAGEMENT TERM SHEET ADDENDUM

Project Identification

Project Title Project ID Client Name Client Address Service Provider Name Service Provider Address Project Manager (Provider)

Recitals & Purpose

This Addendum amends the Term Sheet executed between Client Name: and Service Provider Name: dated . The purpose of this Addendum is to modify certain commercial and delivery terms set forth in the original Term Sheet as described below.

Scope of Work

The Provider shall perform the following additional or amended work in accordance with the original Term Sheet and the modifications set forth in this Addendum.

Detailed Scope of Work Out-of-Scope Items (if any)

Deliverables & Acceptance

The following deliverables are added to or replace deliverables in the original Term Sheet. Each deliverable shall be subject to the acceptance criteria set forth below.

Deliverable 1 — Description Deliverable 1 — Acceptance Criteria Deliverable 1 — Target Delivery Date Deliverable 2 — Description Deliverable 2 — Acceptance Criteria Deliverable 2 — Target Delivery Date

Timeline & Milestones

The schedule below supersedes or supplements the timeline in the original Term Sheet only to the extent specified.

Project Start Date Project End Date (Estimated) Milestone 1 — Name Milestone 1 — Target Date Milestone 2 — Name Milestone 2 — Target Date

Budget, Fees & Payment

Total Cost (This Addendum) Payment Schedule Invoicing and Payment Terms

Change Order Procedure

All changes to scope, timing or price described in this Addendum must be effected by a written Change Order signed by authorized representatives of both parties. The Change Order must set forth the scope change, the impact on schedule, and any adjustment to fees. Work shall not proceed on any change until a Change Order is executed except where emergency measures are required to prevent material harm, in which case written ratification is required within five (5) business days.

Change Order Contact (Client) Change Order Contact (Provider)

Confidentiality

Each party shall maintain in confidence all non-public information disclosed by the other party in connection with this Addendum and shall only use such information for performance under this Addendum. Confidential information does not include information that is or becomes generally available to the public other than through a breach of this confidentiality obligation, or information lawfully received from a third party without breach of an obligation of confidentiality. Remedies for breach include injunctive relief and recovery of actual damages.

Liability, Indemnification & Insurance

Each party shall indemnify and hold harmless the other party from third-party claims arising from its negligence or willful misconduct in connection with this Addendum. Except for liability arising from gross negligence, willful misconduct, or breach of confidentiality, neither party shall be liable for consequential, incidental, or punitive damages. The Provider shall maintain insurance coverage customary for the services, including general liability and professional liability as required by the original Term Sheet or applicable law.

Governing Law & Dispute Resolution

This Addendum shall be governed by and construed in accordance with the laws of the jurisdiction specified below without regard to conflict of laws principles.

Governing Law Jurisdiction

Notices

Notices under this Addendum shall be in writing and delivered to the addresses below by hand delivery, nationally recognized overnight courier, or certified mail (return receipt requested), and shall be effective upon receipt.

Notice Address — Client Notice Address — Provider

Amendments & Integration

Except as expressly modified by this Addendum, all terms and conditions of the original Term Sheet remain in full force and effect. This Addendum and the Term Sheet constitute the entire agreement between the parties with respect to the subject matter hereof and supersede all prior understandings. Any amendment to this Addendum must be in writing and signed by authorized representatives of both parties.

Additional Provisions

Effective Date of this Addendum:

Client

Client Name:

By:

Date:

Service Provider

Service Provider Name:

By:

Date:

What the Project Management Term Sheet Addendum Is

A Project Management Term Sheet Addendum is a concise, supplemental document attached to a primary project agreement that records agreed changes, clarifications, or additional terms specific to scope, schedule, budget, deliverables, or responsibilities. It functions as an interim agreement that the parties sign to confirm amendments without redrafting the entire contract and typically references the original agreement by date and section to preserve continuity and enforceability.

Why use a Term Sheet Addendum for project changes

A focused addendum reduces ambiguity by memorializing negotiated adjustments, accelerates approvals for scope or budget changes, and creates a clear audit trail for later enforcement or dispute resolution while preserving the original contract structure.

Who typically completes this addendum

Legal counsel, project managers, procurement officers, and authorized signatories usually prepare or approve the addendum before execution.

Project managers and PMO — document operational changes, update schedules, and confirm resource allocations with stakeholders.
Procurement and contracts teams — record pricing adjustments, purchase orders, and payment terms for auditability.
Legal and finance — review liability, indemnity, tax, and accounting implications before final sign-off.

Final execution should be by authorized signers listed in the original agreement or their delegated substitutes to ensure enforceability.

Step-by-step: completing and executing the addendum

Follow these stages to prepare, approve, and finalize a Project Management Term Sheet Addendum.

01

Draft: Record specific changes, reference original clauses, and attach supporting exhibits.
02

Internal Review: Obtain approvals from legal, finance, and project governance representatives.
03

Signatory Confirmation: Ensure the signer is authorized per the original agreement or board resolution.
04

Execution: Collect signatures, initial each page if required, and distribute executed copies to stakeholders.

Typical workflow from change request to signed addendum

A predictable workflow helps reduce review cycles and ensures the addendum is routed to the right approvers.

Change Request: Requester submits scope or budget change with rationale.
Impact Assessment: Project team evaluates schedule, cost, and risk impacts.
Draft Addendum: Prepare concise amendment language and exhibits.
Approval & Sign: Authorized parties sign; document archived with the original contract.

Digital setup: configuring an e-signature workflow for the addendum

Configure a consistent digital workflow to capture signatures, preserve audit trails, and meet compliance needs.

Field	Configuration
Signer Order	Sequential or parallel routing per approval matrix
Authentication	Email link, SMS code, or stronger ID verification
Attachments	Include exhibits (schedules, SOWs) as locked attachments
Audit Trail	Retain IP, timestamp, and action log for each signer

Technology essentials for e-signing and recordkeeping

Choose a platform that provides secure signing, tamper-evident documents, and exportable audit logs.

File formats: PDF, Word DOCX supported
Integrations: Connectors for NetSuite and Salesforce
Security: TLS in transit; AES-256 at rest

Ensure the chosen solution supports your authentication level and retention workflow, and that exported records meet legal reproducibility requirements.

Core elements to include in a professional addendum

A structured addendum limits disputes and improves enforceability when it contains clear, standalone components that reference the main contract.

Identification

Cite the original agreement by title, date, and parties to eliminate confusion about which contract is amended.

Scope Change

Define new or removed deliverables with measurable acceptance criteria and any dependencies.

Schedule

State revised milestones, critical-path adjustments, and any conditional milestones tied to approvals.

Pricing

List adjusted fees, payment milestones, and how previous payments are credited or refunded, if applicable.

Risk Allocation

Address liability limits, indemnities, or insurance changes prompted by the amendment.

Integration Clause

Confirm the addendum modifies only specified provisions and that all other terms remain in force.

Supporting exhibits and schedules to attach

Including precise exhibits prevents later disputes about deliverables, rates, or timelines and makes the amendment operationally actionable.

Revised Schedule

Attach a Gantt or milestone list showing date changes, dependencies, review points, and acceptance windows for deliverables.

Cost Breakdown

Provide a line-item cost table showing unit rates, quantities, discounts, and any change-order calculation methods.

Acceptance Criteria

Include test plans, inspection steps, or approval checklists that define how deliverables will be validated.

Signatory Authorization

Attach a board resolution, PO, or delegation document if the signer is acting under delegated authority.

Security and compliance items to confirm

Encryption: TLS 1.2/1.3; AES-256

Audit Trail: IP, timestamps, action log

Access Control: Role-based access

Retention Export: Exportable PDFs and CSV logs

Certifications: SOC 2 Type II; ISO 27001

HIPAA Support: BAA available

Key legal and operational risks of an incorrect addendum

Ambiguous Scope: Disputes or claims

Unauthorized Signer: Potential unenforceability

Missing Consideration: Tax or accounting issues

Improper Notice: Breach of contract timelines

Noncompliant Retention: Regulatory exposure

Incorrect References: Confusion on governing terms

Common preparation mistakes to avoid

Failing to reference the exact section in the original agreement, which can make the amendment ambiguous and invite conflicting interpretations.
Using vague language for deliverables or payment terms such as 'as agreed' instead of specific amounts or measurable criteria.
Allowing an unauthorized person to sign, exposing the agreement to later challenges about validity and execution authority.
Omitting a clear effective date, which can create gaps in responsibility, liability timing, and payment obligations.

eSignature vendor comparison for executing addenda

Pricing and capabilities vary; the table shows starting prices and common feature availability for representative vendors, with signNow listed first.

	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	No
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

Frequently asked questions about addendum execution

Answers to common practical questions about enforceability, notarization, corrections, and secure storage for Project Management Term Sheet Addenda.

Need help? Contact support

Can an addendum be signed electronically?
Yes. Under the ESIGN Act (15 U.S.C. §7001) and UETA where adopted, electronic signatures are legally enforceable when intent, consent, attribution, and record retention are present.
When is notarization required?
Notarization is only required if the original contract or state law demands it, or for specific filing purposes; verify local notary rules before adding a notary block.
Who is authorized to sign?
An authorized officer or an individual with delegated authority per the original agreement or a board resolution should sign; signatures by unauthorized persons risk invalidation.
How to correct an executed addendum?
Prepare a new corrective addendum or mutual amendment signed by all parties; do not alter executed copies. Document the reason and approval path in the corrective instrument.
What if a signer refuses to sign electronically?
Offer a paper option or in-person signing; ensure identical content and retention standards, and confirm consent to electronic records where consumer protection rules apply.
How should executed addenda be stored?
Store final executed copies with the primary contract, export a tamper-evident PDF, and retain associated audit logs for the applicable retention period to meet legal reproducibility requirements.

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