Can the agreement be signed electronically?

Yes. Electronic signatures are generally enforceable under the ESIGN Act (15 U.S.C. §7001) and UETA where adopted; ensure consent, attribution, and retention requirements are met for validity.

Do some signatures require notarization or witnesses?

Possibly. Notarization and witness rules depend on the document purpose and jurisdiction; check local recording and state notary rules before execution and recording.

Is remote online notarization (RON) acceptable?

RON acceptance varies by state. Use state notary commission guidance and ensure the RON process meets agency recording requirements and identity-proofing standards.

What eSignature features matter for audits?

Retain an audit trail with signer identity, timestamps, IP addresses, and a tamper-evident final file; these elements support attribution and retention requirements.

Does the eSignature provider need a HIPAA BAA?

If the agreement includes protected health information, a HIPAA Business Associate Agreement is required; for mineral agreements, HIPAA typically does not apply.

Which signNow plan fits high-volume filings?

High-volume use cases may consider the Site License (usage-based) or Enterprise tiers for API access, advanced authentication, and per-invite pricing; plan selection depends on volume and integration needs.

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43 CFR 31861 Model Onshore Unit Agreement

43 CFR 31861 Model Onshore Unit Agreement

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

What the 43 CFR 31861 Model Onshore Unit Agreement Is

The 43 CFR 31861 Model Onshore Unit Agreement is a standardized legal framework used to combine multiple oil and gas leases or tracts into a single operational unit for coordinated development on onshore federal or mixed-ownership lands. The model agreement sets unit boundaries, defines participating leases, allocates production and royalties, identifies the unit operator and its duties, and establishes mechanisms for amendment, accounting, and termination. Federal land offices review unit agreements for compliance with applicable Department of the Interior and Bureau of Land Management requirements before they become effective for pooled development.

Why a Model Onshore Unit Agreement Matters

Using the 43 CFR 31861 model promotes consistent lease pooling, clarifies allocation of production and royalties, reduces duplicative surface disturbance, and provides a clear regulatory path for federal approval and oversight.

Who typically prepares and signs this agreement

The agreement is prepared and reviewed by parties with mineral interests and regulatory responsibilities.

Oil and gas operators coordinating unit development across multiple leases and tracts.
Federal and state land management or resource oversight officials reviewing compliance.
Mineral owners, royalty payees, and their legal or landman advisors ensuring allocation accuracy.

Stakeholders include both private parties and government representatives who must confirm legal descriptions, allocation methods, and signatures before filing.

Primary signatory roles and typical responsibilities

Unit Operator

Usually an oil and gas company or designated operator responsible for operations, reporting, payment of royalties, compliance with the agreement, and communication with the federal land office; signs on behalf of participating lessees when authorized.

Mineral Owner / Lessee

Private or public lessees and royalty owners who must approve allocation formulas and sign the agreement or provide written consent; may require counsel review to protect payment and title interests.

Core components of a complete onshore unit agreement

A professional 43 CFR 31861 Model Onshore Unit Agreement includes clearly defined boundaries, allocation mechanics, governance and accounting rules, and provisions for amendments and termination.

Unit Boundary

Precise legal description and map of the unit area, including township/range/section or metes and bounds and any exhibits that identify included tracts and lease numbers.

Participating Area

List of participating leases and tracts, with acreage and lease identifiers; clarifies which portions of each lease are committed to pooled operations.

Allocation Formula

Method for allocating production and costs among participants (acreage, pooled factors, well-by-well allocation); includes calculation examples and rounding rules.

Operator Duties

Operator appointment, authority, duty to operate prudently, maintenance obligations, bonding or insurance requirements, and reporting cadence for production and expenditures.

Royalties & Payments

Royalty calculation method, payment timing, payee instructions, audit rights, and procedures for withholding or adjustments for prior over/underpayments.

Amendment & Term

Procedures for amendments and voting, notice periods, conditions for unit termination, and disposition of remaining reserves or accounts on termination.

Essential data fields to include

Party Names: Full legal names

Legal Description: Township/range/section

Effective Date: MM/DD/YYYY

Acreage: Net acres committed

Allocation Percent: Shares or formula

Signature Block: Name, title, date

Step-by-step: completing the model agreement

Follow a logical sequence: identify parties and lands, agree allocation, confirm operator and terms, obtain approvals, and file with the appropriate agency.

01

Gather records: Assemble lease numbers and title documents.
02

Draft terms: Set allocation and operator responsibilities.
03

Obtain consents: Secure signatures or written approvals from participants.
04

File and record: Submit to federal land office and record where required.

How to configure a digital workflow for this agreement

Set up fields, signer order, and authentication before sending to ensure accurate routing and an auditable completion record.

Field	Configuration
Signature Type	ESIGN-compatible audit trail
Authentication	Email + optional SMS or two-factor
Conditional Fields	Show lease exhibits only when applicable
File Format	PDF/A recommended for records

Where the completed agreement goes

After execution, send copies to the federal land office, participating parties, and any local recording authority as required.

Agency Filing: Submit executed copy to designated federal land office.
Participant Distribution: Provide signed copies to each party for records.
Local Recording: Record in county where surface or mineral title interests require notice.
Retention: Keep originals and certified copies for audit purposes.

Technical formats and platform considerations

Use widely supported formats and secure platforms that provide an audit trail and strong authentication.

File Formats: PDF, PDF/A, DOCX supported
Integrations: CRM and cloud storage connectors
Authentication: Email, SMS, or two-factor

Choose an eSignature provider that supports retention, audit logs, and required integrations (for example, CRM or document management) to simplify recordkeeping and regulatory review.

Typical timelines and processing expectations

Processing and effective dates vary by agency and complexity; plan for review cycles and participant approvals when scheduling.

Execution Effective Date:

Agreement becomes effective on the date specified by parties.

Agency Review Time:

Federal review may take 30–120 days depending on workload and complexity.

Amendment Notice Period:

Allow 30 days for participant notice unless shorter period agreed.

Annual Reporting:

Prepare periodic accounting and reports as required by agency.

Record Retention Start:

Retention clock begins on effective date or final accounting date.

Key milestones from drafting to unit commencement

Track major stages and responsible parties to ensure timely filing and commencement of unit operations.

01

Drafting Complete

Finalize terms and exhibits before seeking signatures.

02

Execution

All designated parties sign and date the agreement.

03

Agency Filing

Submit executed agreement to the federal land office for approval.

04

Unit Commencement

Operations begin under the approved unit and accounting procedures start.

Common mistakes to avoid when preparing the agreement

Omitting a lease or tract from the participating area, which can invalidate allocation calculations and create disputes.
Using inconsistent legal descriptions between exhibits and the main agreement, leading to recording or title confusion.
Failing to define an explicit allocation formula or rounding rules, causing royalty calculation disputes.
Skipping required approvals or failing to file with the appropriate federal office before commencing pooled operations.

Legal and financial risks of incorrect or incomplete agreements

Royalty Disputes: Delayed or incorrect payments can trigger civil claims.

Regulatory Rejection: Agency may deny unit approval for noncompliance.

Civil Liability: Damages or injunctions from affected parties.

Operational Delay: Production start may be postponed.

Tax Consequences: Incorrect allocation affects reporting and deductions.

Forfeiture Risks: Noncompliance could jeopardize lease rights.

Representative use cases for the model agreement

Two practical scenarios show how the model agreement streamlines pooled development while allocating risk and revenue.

Operator Consolidation

A multi-lease operator consolidates adjacent federal and private leases to reduce surface disruption and combine reserves

The agreement defines unit boundaries and allocation by acreage
After execution and agency approval, the operator begins pooled operations under a single accounting and royalty distribution system to avoid duplicative wells and optimize recovery.

Mineral Owner Participation

A small royalty owner joins a larger unit to receive pro rata production revenue without drilling expenses

The document lists the owner's lease and allocation percentage
The owner signs the agreement, receives a signed copy, and benefits from centralized reporting and timely royalty payments under the unit formula.

Comparing eSignature vendor pricing and capabilities for agreement execution

Vendor pricing and key capabilities vary; signNow appears first and includes competitive entry-level pricing and enterprise options for high-volume usage.

	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 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

Practical tips for accurate and efficient completion

Adopt consistent procedures, use clear exhibits, and leverage electronic workflows to reduce errors and speed approvals.

Standardize legal descriptions

Use the same township/range/section or metes-and-bounds language across all exhibits and the main agreement to avoid recording and title inconsistencies.

Confirm participant authority

Verify signatory authority and obtain corporate resolutions or power-of-attorney as needed before execution to ensure enforceability.

Attach supporting exhibits

Include lease lists, maps, allocation worksheets, and calculation examples to make the allocation method transparent and auditable.

Use auditable eSign workflows

Select an eSignature platform that provides timestamps, audit trails, conditional fields, and secure storage to simplify agency review and future audits.

Frequently asked questions about execution, validity, and digital workflows

Answers address common execution, legal validity, and eSignature concerns for multi-party onshore unit agreements.

Need help? Contact support

Can the agreement be signed electronically?
Yes. Electronic signatures are generally enforceable under the ESIGN Act (15 U.S.C. §7001) and UETA where adopted; ensure consent, attribution, and retention requirements are met for validity.
Do some signatures require notarization or witnesses?
Possibly. Notarization and witness rules depend on the document purpose and jurisdiction; check local recording and state notary rules before execution and recording.
Is remote online notarization (RON) acceptable?
RON acceptance varies by state. Use state notary commission guidance and ensure the RON process meets agency recording requirements and identity-proofing standards.
What eSignature features matter for audits?
Retain an audit trail with signer identity, timestamps, IP addresses, and a tamper-evident final file; these elements support attribution and retention requirements.
Does the eSignature provider need a HIPAA BAA?
If the agreement includes protected health information, a HIPAA Business Associate Agreement is required; for mineral agreements, HIPAA typically does not apply.
Which signNow plan fits high-volume filings?
High-volume use cases may consider the Site License (usage-based) or Enterprise tiers for API access, advanced authentication, and per-invite pricing; plan selection depends on volume and integration needs.

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