Who must authorize the disclosure?

The disclosure should be authorized by a person with signatory authority under the contract or corporate resolution. Typically the CFO, controller, or another delegated officer signs; counsel should confirm authority if the agreement specifies a named role.

Can an open-book be delivered electronically?

Yes. Electronic delivery and signatures are enforceable under the ESIGN Act (15 U.S.C. ch. 96) and UETA in most states, provided intent, consent, attribution, and retention requirements are met.

Are notarization or witnesses required?

Not usually for commercial disclosures, but states may require notarization or witnesses for specific documents. Check applicable state rules—e.g., Florida deeds require two witnesses if executed as deeds.

How long must records be retained?

Retention follows contract terms plus regulatory minima: IRS records 3 years (IRC §6501(a)); HIPAA 6 years (45 CFR §164.530(j)). Industry rules may require longer retention.

What if a signer’s name doesn’t match records?

Mismatched names can cause enforceability questions or trigger additional verification. Use the full legal name as filed and attach a corporate resolution or ID showing authority when needed.

How to handle privileged information?

Segregate privileged materials, produce a privilege log, and have counsel review redactions. Overbroad disclosure risks waiver of privilege and potential legal exposure.

Business Open Book

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

BUSINESS OPEN BOOK AGREEMENT

This Business Open Book Agreement ("Agreement") is entered into as of by and between Company Name: with business address and Counterparty Name: .

WHEREAS

WHEREAS, the parties desire that the Counterparty shall have access to the Company’s accounting, financial records and related documentation on an open-book basis for the purpose of monitoring costs, verifying payments, and performing agreed financial oversight during the Term defined below;

WHEREAS, the parties intend that access to such records shall be limited to the extent necessary to verify amounts payable, to reconcile accounts, and to perform audit and oversight functions, subject to the confidentiality protections set forth in this Agreement;

WHEREAS, the parties desire to set forth their respective rights and obligations regarding open-book access, accounting cooperation, payment terms and confidentiality in this Agreement.

SCOPE OF WORK

Scope of Open-Book Access and Accounting Cooperation

PAYMENT TERMS

Contract Price or Budgeted Amount: $ . The Company shall provide records and invoices sufficient to substantiate amounts invoiced to Counterparty.

Payment Schedule and Invoicing Invoices to be Submitted To

Late Payment: Payments not received within days after the due date shall incur a late fee of per month or the maximum permitted by law, whichever is less.

TERM AND TERMINATION

Term Commencement Date: . Term Expiration Date: .

Either party may terminate this Agreement for convenience upon written notice delivered not less than days prior to the intended termination date. Either party may terminate immediately for material breach that remains uncured for a period of thirty (30) days following written notice of such breach.

Termination for Cause — Cure Rights and Obligations

CONFIDENTIALITY

The parties acknowledge that open-book access will involve the disclosure of proprietary financial information and trade secrets ("Confidential Information"). Each party shall: (a) hold all Confidential Information in strict confidence; (b) use Confidential Information only for purposes of performing this Agreement; and (c) restrict disclosure to employees, agents or advisors who have a need to know and who are bound by confidentiality obligations no less protective than those in this Agreement. Confidential Information shall not include information that is publicly available other than by breach of this Agreement, or information lawfully received from a third party without restriction.

Disclosure Required by Law

ACCESS AND AUDIT RIGHTS

The Company shall permit the Counterparty and its authorized representatives to inspect and copy, during normal business hours and upon reasonable prior notice, accounting records, invoices, contracts and supporting documentation reasonably necessary to verify amounts invoiced or claimed under this Agreement. Such inspections shall be conducted at the Company’s premises or by secure electronic transmission. The Counterparty shall limit any audit to a single annual audit of the most recent twenty-four (24) months of records unless a material discrepancy is discovered.

Audit Expense Allocation

GOVERNING LAW

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

ENTIRE AGREEMENT

This Agreement constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous agreements, proposals, negotiations and communications, whether written or oral. No amendment to this Agreement shall be effective unless in writing and signed by authorized representatives of both parties.

MISCELLANEOUS

Severability: If any provision of this Agreement is held invalid or unenforceable, the remaining provisions shall remain in full force and effect. Waiver of any breach shall not constitute a waiver of any subsequent breach.

Notices Additional Provisions

Company (Party A):

By:

Date:

Counterparty (Party B):

By:

Date:

What the Business Open Book document is

A Business Open Book is a formal disclosure document used between contracting parties to share company financial information, assumptions, and performance metrics during negotiations, audits, or collaborative projects. It typically lists revenues, cost structures, accounting methods, and supporting schedules so the counterparty can verify pricing, change orders, or earn-outs. The document can be standalone or an attachment to a commercial agreement and often includes confidentiality limits, permitted uses, and audit rights to protect proprietary information while allowing required transparency.

Core sections every Business Open Book should include

Organize disclosures so reviewers can find source documents, calculations, and timeframe context quickly. Clear structure reduces disputes and supports later audits.

Cover Summary

Executive overview of scope, period, and agreement reference for this disclosure; identifies included schedules and exceptions.

Financial Schedules

Detailed revenue, expense, margin, and cash-flow tables broken out by project or cost center with supporting trial balances.

Assumptions

List of accounting treatments, allocation bases, one-time adjustments, and currency or timing assumptions used in calculations.

Supporting Documents

Source records such as invoices, payroll reports, bank statements, and vendor contracts tied to each reported line item.

Confidentiality Terms

Limits on use, retention, permitted reviewers, and procedures for returning or destroying disclosed materials.

Verification Rights

Audit steps, sampling approach, timing, and who may perform on-site or remote verification, plus dispute resolution reference.

How to prepare and submit a Business Open Book

Follow these sequential steps to assemble, verify, and deliver the disclosure with a clear audit trail and reviewer access.

01

Gather Records: Collect ledgers, invoices, payroll, and bank records supporting reported amounts.
02

Prepare Schedules: Create reconciled schedules that map totals to source documents.
03

Internal Review: Have finance and legal review for accuracy, confidentiality, and completeness.
04

Deliver Securely: Send via controlled channel and capture receipt, access logs, and signature evidence.

Typical online workflow settings for e-submission and review

Configure roles, required fields, and authentication to limit access and provide an auditable signing flow.

Field	Configuration
Document Upload	PDF or DOCX; include indexed file names
Signature Fields	Require signer name, signature, date fields
Authentication	Email + SMS code or ID check for higher assurance
Audit Trail	Enable IP, timestamp, and action logging

Digital submission and verification flow

A typical e-submission path reduces touchpoints while preserving evidence needed for later reconciliation or dispute resolution.

Upload Document: Sender uploads the disclosure package to the signing platform.
Add Fields: Sender places signature, initial, and data fields in the document.
Assign Reviewers: Specify signer order and reviewer permissions where applicable.
Complete Signing: Signers authenticate, sign, and receive a completed copy with an audit record.

Technical and integration considerations

Choose a platform that supports secure uploads, granular access controls, and an auditable completion record.

Formats Supported: PDF, DOCX, XLSX accepted
Integrations: Connectors for Salesforce and NetSuite
Authentication Options: Email, SMS, KBA, or ID verification

Confirm the platform meets any regulatory requirements for your industry and that records are exportable for long-term retention.

Who typically prepares and reviews a Business Open Book

Assign a single point of contact to coordinate document assembly, reviewer questions, and any supplemental requests to streamline communications.

Finance teams prepare reconciliations, provide source files, and attest to figures.
Legal and contracting counsel review confidentiality provisions and permitted-use clauses.
External auditors or buyer finance teams perform verification and sample testing.

Typical signers and approvers

Controller — Private Company

The controller is usually responsible for compiling schedules, validating source documents, and certifying financial accuracy. They coordinate with payroll, AP, and the external reviewer to ensure each disclosed amount traces to a verifiable record and that internal reviewers sign off prior to external delivery.

CFO — Acquirer/Buyer

The buyer's CFO or delegated finance lead requests the Business Open Book, defines scope, and verifies that the disclosed items meet contractual requirements. They use the disclosure to confirm price adjustments, earn-outs, or indemnity exposure and typically document exceptions in a reconciliation memo.

Examples of Business Open Book use in practice

Below are illustrative, real-world examples where an open-book disclosure supported negotiations and post-signature verification.

Optica Ventures (COO)

Optica provided a month-by-month reconciliation for a joint-project revenue share

The reconciliation clarified allocation methodology and corrected timing differences
The clarity reduced disputes, shortened review time, and preserved commercial relationships while maintaining confidentiality controls.

Martin Properties (Founder)

A landlord used an open-book schedule to justify a rent adjustment tied to operating expenses

The schedule mapped invoices to each expense line
Providing supporting records online allowed remote verification and enabled the parties to finalize the adjustment without in-person meetings.

Security and compliance controls to include with a digital open-book delivery

Encryption: TLS 1.2/1.3 in transit; AES-256 at rest

Access Controls: Role-based permissions and granular reviewer rights

Audit Trail: Persistent logs of actions, timestamps, and IP addresses

Authentication: Email, SMS code, or advanced ID verification

Compliance: Supports ESIGN, UETA, HIPAA (BAA available)

Certifications: SOC 2 Type II and ISO 27001 compliant

Common pitfalls when preparing an open-book disclosure

Incomplete source references lead to repeated follow-up requests and extended review cycles.
Inconsistent accounting treatments across schedules create reconciliation issues and dispute risk.
Overly broad access permissions increase confidentiality and data-leak risk.
Missing authorized signatures or incorrect signatory authority can invalidate the disclosure.

Practical risks and legal consequences of errors

Contract Breach: Damages or termination risk

Tax Penalties: 1099/IRC §6721 fines possible

Confidentiality Breach: Liability under NDA

Regulatory Exposure: Industry fines or investigations

Withholding Risk: Backup withholding 24% for missing TINs

Signature Defects: Invalid execution or enforceability disputes

Typical timing expectations and submission deadlines

Set clear deadlines for each stage to avoid disputes and ensure timely verification; align with contract-defined windows.

Delivery on Request:

Provide disclosures within the contractual period specified (often 10–30 days).

Internal Review Window:

Allow finance and legal 5–10 business days for initial review.

External Verification:

Schedule on-site or remote audits within 30 days of delivery where permitted.

Supplemental Documents:

Respond to reasonable follow-ups within the agreed cure period.

Record Retention Start:

Retention begins on the disclosure date or signature date, per contract.

Key milestones in the open-book process

Track milestones from initial request through archival to maintain accountability and support any disputes.

01

Request Received

Formal request logged and scope confirmed with requester.

02

Preparation Complete

Schedules prepared and source documents attached for review.

03

Signatures Collected

Authorized signatories execute disclosure; audit trail recorded.

04

Archive and Retain

Final package stored with retention metadata and access logs.

Supporting documents and export options to include

Include exportable copies and supporting exhibits so recipients can independently verify figures and preserve an evidence trail.

Export Formats

Provide signed copies in PDF/A for archival and DOCX or XLSX for reviewer analysis.

Supporting Exhibits

Attach invoices, bank statements, and payroll reports with clear cross-references to schedules.

Version Control

Maintain a version history and date-stamped iterations of each schedule and appendix.

Redaction

Redact unrelated sensitive data and create a redaction log for transparency.

eSignature pricing and capability comparison

Compare entry price, trial options, and key capabilities across major eSignature vendors to evaluate total cost and compliance fit.

	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 Business Open Book process

Answers to common questions about scope, signatures, retention, and what makes a disclosure legally enforceable.

Need help? Contact support

Who must authorize the disclosure?
The disclosure should be authorized by a person with signatory authority under the contract or corporate resolution. Typically the CFO, controller, or another delegated officer signs; counsel should confirm authority if the agreement specifies a named role.
Can an open-book be delivered electronically?
Yes. Electronic delivery and signatures are enforceable under the ESIGN Act (15 U.S.C. ch. 96) and UETA in most states, provided intent, consent, attribution, and retention requirements are met.
Are notarization or witnesses required?
Not usually for commercial disclosures, but states may require notarization or witnesses for specific documents. Check applicable state rules—e.g., Florida deeds require two witnesses if executed as deeds.
How long must records be retained?
Retention follows contract terms plus regulatory minima: IRS records 3 years (IRC §6501(a)); HIPAA 6 years (45 CFR §164.530(j)). Industry rules may require longer retention.
What if a signer’s name doesn’t match records?
Mismatched names can cause enforceability questions or trigger additional verification. Use the full legal name as filed and attach a corporate resolution or ID showing authority when needed.
How to handle privileged information?
Segregate privileged materials, produce a privilege log, and have counsel review redactions. Overbroad disclosure risks waiver of privilege and potential legal exposure.

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