Are electronic signatures legally valid?

Yes. Electronic signatures are generally valid under the federal ESIGN Act (15 U.S.C. ch. 96, 2000) and UETA where adopted, provided intent, consent, attribution, and retention requirements are met.

Do I need a notarization or witnesses?

Most commercial add ons do not require notarization, but specific states or document types may. For real estate or durable power changes, check state notary and witness rules before execution.

Can I revise an executed add on?

Yes, but revisions require a new signed amendment or counter-addendum signed by the same authorized parties; do not alter executed copies without documented mutual agreement.

What happens if names or contract numbers mismatch?

A mismatch can cause processing delays, rejected invoices, or audit findings. Correct errors with a new signed add on or an errata signed by authorized signatories.

How should I store signed add ons?

Store a signed PDF with the audit trail in your document management system and retain per retention policy; ensure access controls and backups are in place for auditability.

When is attorney review recommended?

If the add on changes liability, indemnity, warranty, or material payment terms, obtain legal review to confirm the amendment protects organizational interests.

Electronic Signature
Templates
Miscellaneous
Miscellaneous Add On Order

Miscellaneous Add On Order

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

MISCELLANEOUS ADD ON ORDER

Order Number: Effective Date:

Ordering Party:

Vendor:

RECITALS

WHEREAS, Ordering Party and Vendor are parties to an existing agreement governing the provision of goods and services as identified by Agreement Date: (the "Master Agreement"); and

WHEREAS, the parties desire to procure and deliver additional goods, services, or deliverables (collectively, "Add-On Items") as described herein under the terms and conditions of the Master Agreement, such Add-On Items to be incorporated into and governed by the Master Agreement; and

WHEREAS, this Miscellaneous Add On Order (the "Order") sets forth the scope, payment terms, schedule, and other material terms for the Add-On Items to be supplied by Vendor to Ordering Party.

SCOPE OF WORK

Description of Add-On Items and Services

ADD-ON ITEMS (ITEMIZATION)

Item 1 Description: Qty: Unit Price:

Item 2 Description: Qty: Unit Price:

Item 3 Description: Qty: Unit Price:

PAYMENT TERMS

Total Add-On Price (not including applicable taxes):

Payment Schedule

Invoice Due: Net days from invoice date.

Late Payment Fee: on overdue balances, compounded monthly to the extent permitted by law.

Billing Contact / Address

Purchase Order Reference (if applicable):

TERM AND TERMINATION

Start Date: End Date:

Either party may terminate this Order for convenience upon written notice to the other party given at least days prior to the effective termination date. Termination for material breach is governed by the Master Agreement.

CONFIDENTIALITY

Each party acknowledges that information disclosed in connection with this Order may constitute Confidential Information under the Master Agreement. The receiving party shall maintain such information in strict confidence and shall not use or disclose Confidential Information except as necessary to perform obligations under this Order or as permitted by the Master Agreement.

Acknowledgement: The parties certify that they will treat all non-public information exchanged under this Order as Confidential Information subject to the protective covenants of the Master Agreement.

GOVERNING LAW

This Order shall be governed by and construed in accordance with the laws of the state of , without regard to conflict of laws principles.

ENTIRE AGREEMENT

This Order, together with the Master Agreement and any referenced exhibits or schedules, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior proposals, negotiations, representations and understandings. In the event of any conflict between the terms of this Order and the Master Agreement, the Master Agreement shall govern unless this Order expressly states otherwise in a written amendment signed by authorized representatives of both parties.

Additional Provisions (optional)

Ordering Party:

Printed Name:

By:

Date:

Vendor:

Printed Name:

By:

Date:

What the Miscellaneous Add On Order Is

A Miscellaneous Add On Order is an attachment or amendment used to add items, services, or terms to an existing purchase order, contract, or agreement without creating a new primary contract. It records scope changes, additional line items, price adjustments, delivery dates, or special instructions and becomes part of the original contract when executed by authorized parties. The form documents the effective date, reference to the base agreement, detailed description of the add-on, pricing or consideration, approvals, and signatures required to validate the change and trigger subsequent internal processing and payment workflows.

Why a Clear Add On Order Matters

A properly completed Miscellaneous Add On Order reduces disputes, speeds approval and payment, and provides an auditable record of contract changes. It clarifies scope, pricing, and timelines so procurement, finance, and project teams can act consistently and maintain compliance with internal controls and regulatory requirements.

Who Completes and Who Reviews This Form

Typical users prepare the Add On Order and route it for approval.

Procurement teams preparing scope changes and new line items for vendor orders.
Project managers approving schedule or deliverable changes tied to existing contracts.
Finance or accounts payable verifying pricing adjustments and budget impacts.

Multiple stakeholders—requester, approver, and finance—should sign or acknowledge the add on to create a clear, auditable change record.

Step-by-step: completing the Add On Order

Follow these steps in order to ensure the add on is valid, routed correctly, and stored for auditability.

01

Identify Base Contract: Confirm contract number and scope match the requested change.
02

Detail the Change: Itemize goods/services, quantities, and unit pricing.
03

Obtain Approvals: Route to required approvers in the documented order.
04

Execute and Archive: Secure signatures, distribute copies, and store per retention rules.

How the electronic workflow typically flows

A digital workflow reduces handoffs and creates an audit trail; the typical flow below matches common procurement systems.

Upload Document: Sender uploads the add on PDF or DOCX to the signing platform.
Place Fields: Sender places signature, initials, and date fields where required.
Route to Signers: Platform sends signer notifications or generates a signing link.
Capture Audit Trail: Signed copy and audit record are saved automatically.

Typical online workflow settings for Add On Orders

Configure these settings when building a reusable online add on order workflow.

Field	Configuration
Signing Order	Sequential or parallel signing based on approver roles.
Authentication	Email link, SMS code, or stronger ID verification when required.
Notifications	Automated reminders and completion notices to stakeholders.
Storage	Auto-save signed PDF and export to document management system.

Digital signing and file-format considerations

Select a platform that supports the formats and integrations your organization uses.

File Types: PDF and DOCX supported.
Integrations: Salesforce, NetSuite, MS 365, Google Workspace.
Security: TLS and AES encryption required.

Confirm the platform offers audit trails, role-based access, and export options so signed add ons can be archived and shared with finance or ERP systems.

Comparing eSignature options for processing add-on orders

Basic capability and pricing vary by vendor; the table shows starting price and common capability markers to consider when selecting an eSignature provider.

	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	Yes, 7-day free trial	Varies by plan	Varies by plan	Varies by plan	Varies by plan
Bulk Send	Yes	Yes	Varies	Yes	Varies
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	Varies	No
Envelope Cap	No cap	100 envelopes/user/year	Varies	Varies	Varies

Typical timing and processing expectations

Set realistic internal deadlines to allow approvals, signatures, and payment processing without jeopardizing deliverables.

Submission Window:

Submit add on within 10 business days of change request

Approval Turnaround:

Allow 5–15 business days for required approver sign-off

Notary Scheduling:

Schedule notary within 7 business days when required

Processing to Payment:

Expect 15–30 business days from execution to vendor payment

Record Archival:

Archive signed add on within 3 business days of completion

Common mistakes that delay or invalidate add ons

Referencing the wrong base contract number, causing misrouting and rejection.
Using vague descriptions that leave scope and deliverables open to interpretation.
Missing required approvals or signatures which renders the add on unenforceable.
Failing to update related schedules, budgets, or change logs used by finance.

Consequences of an incorrect or unauthorized add on

Payment Delay: Late or withheld payment

Contract Voidance: Change rejected as unauthorized

Financial Liability: Unapproved costs borne by requester

Audit Findings: Noncompliance flagged in audit

Regulatory Risk: Breach of industry rules

Dispute Exposure: Increased litigation risk

Core elements to include on a professional Add On Order

Ensure the document includes identifiers, a precise description of changes, pricing, approvals, and signature lines so it functions as an enforceable amendment.

Reference Information

Base contract or PO number, effective date, and parties’ legal names so the add on clearly links to the original agreement and avoids ambiguity.

Detailed Change Description

Itemized additions or deletions with quantities, SKUs, service descriptions, and delivery expectations to prevent scope disputes and facilitate acceptance testing.

Pricing and Payment Terms

Unit price, extended total, payment schedule, and any retention or holdback language to ensure accounting and treasury process payments correctly.

Approval Path

List required approvers, required order of signatures, and any departmental sign-off to enforce internal controls and approval hierarchies.

Change Control Reference

If applicable, reference change order numbers, version history, and attachments such as revised schedules, drawings, or specifications.

Signatures and Attestations

Signature blocks must include printed name, title, date, and any required witness or notary block to validate the amendment.

Real-world examples of add on orders in practice

Two concise case examples show how organizations use add on orders to document changes and speed approvals.

Martin Properties

A property manager needed to add repairs to an existing PO and created an add on referencing the lease agreement and PO number.

The add on itemized work, costs, and 30-day completion terms.
Using a signed add on reduced dispute time and enabled prompt payment and contract reconciliation across property and accounting teams.

BIS (Dan Rotelli)

An operations team appended additional deliverables to a services contract during a project ramp-up phase.

The add on included scope, staffing changes, and new milestones.
Capturing approvals and signatures electronically preserved an audit trail and avoided backdated invoices while aligning project management and finance workflows.

Frequently asked questions about Miscellaneous Add On Orders

Answers to common questions about validity, signatures, modification, and retention for add on orders.

Need help? Contact support

Are electronic signatures legally valid?
Yes. Electronic signatures are generally valid under the federal ESIGN Act (15 U.S.C. ch. 96, 2000) and UETA where adopted, provided intent, consent, attribution, and retention requirements are met.
Do I need a notarization or witnesses?
Most commercial add ons do not require notarization, but specific states or document types may. For real estate or durable power changes, check state notary and witness rules before execution.
Can I revise an executed add on?
Yes, but revisions require a new signed amendment or counter-addendum signed by the same authorized parties; do not alter executed copies without documented mutual agreement.
What happens if names or contract numbers mismatch?
A mismatch can cause processing delays, rejected invoices, or audit findings. Correct errors with a new signed add on or an errata signed by authorized signatories.
How should I store signed add ons?
Store a signed PDF with the audit trail in your document management system and retain per retention policy; ensure access controls and backups are in place for auditability.
When is attorney review recommended?
If the add on changes liability, indemnity, warranty, or material payment terms, obtain legal review to confirm the amendment protects organizational interests.

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