Can this document be signed electronically?

Yes. Electronic signatures are legally equivalent to handwritten signatures under the ESIGN Act (15 U.S.C. ch. 96) and UETA where adopted, provided the signature shows intent, consent, attribution, and is retained in reproducible form.

When is notarization required?

Notarization is required only when a contract or state law specifically demands a notarized certification or when attaching a self-proving affidavit; rules vary by state and by document type (see state notary statutes).

Does HIPAA affect sharing calculations?

If the calculation or attachments contain protected health information, HIPAA applies and a BAA is required with any eSignature vendor handling PHI; retain records per 45 CFR §164.530(j).

How long should I keep supporting records?

Follow applicable federal rules: IRS records for three years (IRC §6501(a)), HIPAA records for six years (45 CFR §164.530(j)); consider longer retention for property or SEC-related documents.

What happens if a TIN is wrong?

An incorrect or missing TIN can trigger backup withholding at 24% and IRS penalties; obtain and verify payee TINs before final payment.

How do I correct a signed calculation?

Execute an amendment or corrected completion calculation with clear references to the original, include reason for correction, and obtain fresh signatures from required parties.

Electronic Signature
Templates
Miscellaneous
Completion Calculation Document

Completion Calculation Document

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

COMPLETION CALCULATION DOCUMENT

This Completion Calculation Document is entered into by the parties identified below for the purpose of reporting and certifying amounts due based on work completed under the referenced contract.

Parties and Project

Owner: Contractor:

Project Location:

WHEREAS

WHEREAS, Owner and Contractor entered into a written contract for the performance of construction services described above under the Contract Date: (the "Contract");

WHEREAS, Contractor has performed work and furnished materials for the Project and submits this calculation to certify the Work Completed and amounts claimed as due at the time specified below; and

WHEREAS, Owner requires a written Completion Calculation to validate payment application and retainage adjustments prior to final payment or acceptance.

Scope of Work

Describe scope of work completed for this application

Completion Calculation

As of Completion Date: the following computation is reported:

Contract amounts and adjustments

Retainage Percentage: Retainage Withheld to Date:

Work completed and value

Percent Complete (to date): % Value of Work Completed to Date:

Less Retainage Applicable to this Application:

Amount Due This Application (before previous balance adjustments):

Less Previously Approved But Unpaid Amounts: Net Amount Payable Now:

Calculation notes / supporting references

Attachments provided with this calculation: Final invoice Conditional lien waiver Inspector / engineer report

Payment Terms

Payment Due Within calendar days of Owner's receipt of this completed application and supporting documentation. Late payments shall accrue interest at % per month (or the maximum rate permitted by law), compounded monthly, on any unpaid balance.

Final payment, including release of retained amounts, shall be subject to completion of punchlist items, final acceptance and submission of all required closeout documentation as specified in the Contract.

Term and Termination

This Completion Calculation relates to the Contract term beginning on and ending (if applicable) on . Either party may terminate the Contract in accordance with the notice provisions below and the Contract's termination provisions.

Notice Period for Termination: written notice required unless otherwise provided by the Contract.

Confidentiality

All financial information, schedules, cost breakdowns and supporting documents provided with this Completion Calculation are confidential to the extent permitted by law. Neither party shall disclose such information to third parties except (a) to its legal or financial advisors who agree to keep such information confidential, (b) as required by law, or (c) as necessary to enforce rights under the Contract.

Governing Law

This Completion Calculation and any dispute arising out of it shall be governed by and construed in accordance with the laws of the state of , without regard to principles of conflict of laws.

Representations and Certifications

The undersigned certifies that, to the best of their knowledge and belief, the amounts stated in this Completion Calculation are true and correct and represent actual work performed and materials furnished in accordance with the Contract. The undersigned further certifies that all payrolls, taxes, contributions and other obligations related to the work have been paid or will be paid from the proceeds of payments requested.

Certification (check applicable)

This is the final application for payment and all work under the Contract is complete.
This is an interim application; further work remains to be completed under the Contract.

Entire Agreement

This Completion Calculation, together with the Contract and any change orders referenced herein, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior discussions, proposals and understandings regarding calculation and payment for the work referenced.

Signatures

Owner Name:

By:

Date:

Contractor Name:

By:

Date:

What the Completion Calculation Document Is and When it’s Used

The Completion Calculation Document is a structured record that summarizes final quantitative measures, adjustments, and payment calculations used to close a transaction, project phase, or contract milestone. Typical uses include final construction draw calculations, project completion reconciliations, grant close-out summaries, and vendor final-payment worksheets. It combines source data, retained change orders or allowances, and agreed deductions to produce a clear, auditable total payable or receivable amount for sign-off and distribution.

Why a Clear Completion Calculation Document Matters

A concise, accurate completion calculation reduces disputes, supports auditability, and documents the numerical basis for final payments and releases. It creates a single authoritative reference that aids accounting, legal review, and project closeout.

Who Typically Prepares and Who Reviews These Calculations

Owners, project controllers, contract administrators, accountants, and designated contractors commonly prepare or review completion calculation documents.

Project Managers and Contractors — Prepare line-item amounts, change order reconciliations, and certify work completion for invoice submission.
Accountants and Controllers — Verify arithmetic, apply retainage and tax treatment, and post final entries to the general ledger.
Owners, Lenders, and Legal Teams — Review for compliance with contract terms and authorize final release or lien waiver acceptance.

Each signer should have the authority to certify the numbers they enter and the document should include signatory names, titles, and dates for accountability.

Core Components to Include in a Professional Completion Calculation Document

A complete document presents the calculation inputs, adjustments, and outputs in an auditable layout so reviewers can trace each amount back to source documentation or contract clauses.

Identification

Project name, contract number, parties, and effective completion date for unambiguous reference.

Line-Item Basis

Detailed list of quantities, unit prices, and descriptions tied to original scope or change orders.

Adjustments

Retainage, withheld amounts, change order credits/debits, liquidated damages, and agreed offsets.

Taxes & Withholding

Applicable sales tax, backup withholding triggers, and any tax-election notes or payer TIN issues.

Supporting References

Cross-reference to invoices, approved change orders, inspection reports, and lien waivers.

Certification

Signer block with printed name, title, signature, date, and any witness or notary elements required.

Required Information and Important Data Items

Document Title: Completion Calculation Document

Effective Date: MM/DD/YYYY

Parties: Full legal names

Amounts: Currency to two decimals

Reference IDs: Contract or PO number

Signatory Details: Name | Title | Date

Step-by-Step: Completing a Standard Completion Calculation Document

Follow these steps to assemble source data, apply contract terms, and finalize the calculation for signature.

01

Collect Sources: Gather invoices, approved change orders, inspection certificates, and payment applications.
02

Populate Line Items: Enter quantities, unit prices, and descriptions tied to contract scope.
03

Apply Adjustments: Calculate retainage, deductions, taxes, and agreed credits per contract language.
04

Review and Certify: Verify arithmetic, attach supporting docs, and obtain required signatures.

How to Customize the Document for Online Workflows

When configuring an online version, map each paper field to a digital field and add conditional logic for optional adjustments.

Field	Configuration
Signature Block	Require signer name, title, and date; optional notary field
Retainage Field	Auto-calc percentage and apply to subtotal
Supporting Attachments	Allow PDF uploads and link to line-item rows
Approval Routing	Sequential signers or role-based order

Where to Send or File the Completed Calculation

Finalize distribution paths so accounting, contract administrators, and the paying party receive the same certified document.

Internal Accounting: Attach to invoice packet and submit to AP for payment processing.
Contract Owner: Provide certified copy to the contract manager for retention.
Lender or Surety: Send when contract clauses require lender approval for final disbursement.
Project File: Store with project closeout records and supporting documentation.

Digital Signing and Distribution Options

Use an eSignature platform that supports audit trails, role-based routing, and file attachments when circulating completion calculations.

Integrations: Salesforce, NetSuite, Microsoft 365, Google Workspace
Supported Formats: PDF, DOCX, Excel
Authentication: Email, SMS code, or advanced signer methods

Ensure selected tools meet regulatory needs (HIPAA, 21 CFR Part 11) and retain an unalterable audit trail for each signing event.

Common Timelines, Deadlines, and Processing Expectations

Certain dates affect tax reporting, withholding, and retention; plan internal review cycles accordingly to meet statutory or contractual deadlines.

Invoice Cutoff:

Submit final calculation within contract-specified period to avoid late-payment disputes.

Tax Reporting Triggers:

Provide payee TIN before payment to avoid backup withholding at 24% (IRC rules).

I-9 and Employment Records:

Retain I-9s per 8 CFR §274a.2 retention rules if calculation affects payroll.

Broker / Lender Reviews:

Allow lender or surety review window per financing agreement.

Record Retention Start:

Retention periods generally run from the effective or filing date of the calculation.

Key Milestones from Draft to Final Payment

A typical closeout sequence includes source collection, draft calculation, approvals, signature, and payment authorization.

01

Source Collection

Assemble invoices, change orders, lien waivers prior to drafting.

02

Draft Calculation

Prepare preliminary totals and reconcile against contract provisions.

03

Approvals and Signatures

Obtain sign-off from required parties and any required witnesses or notary.

04

Payment Authorization

Submit certified document to accounts payable for final disbursement.

Common Mistakes to Avoid When Preparing the Calculation

Using rounded figures without reconciling cents; small rounding errors can compound and trigger payee disputes or accounting adjustments.
Failing to attach or reference approved change orders; unsupported adjustments are a frequent cause of rejection by owners or lenders.
Entering party names or TINs incorrectly; mismatched taxpayer identification can trigger backup withholding and tax-reporting delays.
Omitting signature authority details; unsigned or unsigned-by-unauthorized-party calculations can be rejected and delay payment.

Penalties and Risks from Incorrect Calculations

Tax Penalties: IRC §6721 fines for incorrect 1099s

Backup Withholding: 24% withholding if TIN is missing/incorrect

Payment Delays: Contractual disputes can withhold final payment

Lien Risk: Failure to clear claims can lead to mechanic liens

Audit Exposure: Insufficient backup increases audit risk

Notary Noncompliance: Improper notarization can invalidate certification

Practical Examples of Completion Calculation Use

Real-world examples show how clarity and documentation shorten disputes and speed final payments.

Optica Ventures LLC — COO

The team standardized final calculation templates to reduce back-and-forth approvals.

That cut reconciliation time per project.
By tying each line to a specific invoice and approved change order, reviewers accepted final numbers more quickly and payments processed with fewer exceptions.

Fertility Centers of Illinois — Founder

They moved to signed digital calculations for vendor closeouts.

The approach captured a timestamped audit trail.
This ensured all parties had a consistent final record, reduced manual filing, and supported HIPAA-aware retention for related billing records.

Typical eSignature Vendor Pricing and Feature Comparison for Completion Calculations

Compare basic pricing and key features when selecting an eSignature provider to support completion calculation workflows; signNow appears first for focal comparison.

	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
Envelope Cap	No cap	100 envelopes/user/year	No cap reported	No cap reported	No cap reported

Practical Tips for Accurate and Efficient Completion

Applying consistent procedures reduces errors and speeds approvals during closeout.

Standardize Templates

Use a consistent template that includes required fields, reference numbers, and a checklist of attachments to ensure complete submissions.

Link Source Documents

Reference or attach invoices, change orders, and inspection reports so reviewers can verify entries quickly without separate requests.

Use Calculated Fields

Where possible, configure automatic calculations for subtotals, retainage, and tax to reduce manual arithmetic errors.

Record Approval Path

Document who approved each step and capture a timestamped audit trail for dispute resolution and audit readiness.

Frequently Asked Questions About Completion Calculation Documents

Answers to common questions about e-signing, notarization, retention, and legal enforceability for completion calculations.

Need help? Contact support

Can this document be signed electronically?
Yes. Electronic signatures are legally equivalent to handwritten signatures under the ESIGN Act (15 U.S.C. ch. 96) and UETA where adopted, provided the signature shows intent, consent, attribution, and is retained in reproducible form.
When is notarization required?
Notarization is required only when a contract or state law specifically demands a notarized certification or when attaching a self-proving affidavit; rules vary by state and by document type (see state notary statutes).
Does HIPAA affect sharing calculations?
If the calculation or attachments contain protected health information, HIPAA applies and a BAA is required with any eSignature vendor handling PHI; retain records per 45 CFR §164.530(j).
How long should I keep supporting records?
Follow applicable federal rules: IRS records for three years (IRC §6501(a)), HIPAA records for six years (45 CFR §164.530(j)); consider longer retention for property or SEC-related documents.
What happens if a TIN is wrong?
An incorrect or missing TIN can trigger backup withholding at 24% and IRS penalties; obtain and verify payee TINs before final payment.
How do I correct a signed calculation?
Execute an amendment or corrected completion calculation with clear references to the original, include reason for correction, and obtain fresh signatures from required parties.

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