36+ Approval Letter Samples

Explore practical approval letter samples that can be adapted to real situations. This collection offers 16 or more examples designed to record authority, consent, approval, instructions, or responsibilities clearly. The guidance addresses what readers searching for this letter type actually need, allowing you to establish relevance and purpose immediately rather than opening with broad statements that add little value.

These examples are suitable for individuals, employers, institutions, representatives, and public offices. A well-prepared version may include the parties, scope, dates, limits, responsibilities, references, and signatures. Select the sample that best matches your objective and replace every placeholder with accurate names, dates, circumstances, references, and expectations. Concrete details improve trust, readability, and the recipient’s ability to understand what should happen next.

Gather your supporting information before choosing a file. Compare the preview images below, download the template whose structure fits your needs, and revise the wording for your audience and desired tone. Delete sections that are not relevant, proofread names and figures, confirm deadlines and attachments, and retain a copy of the exact version you send for future reference or follow-up.

Approval Letter Samples:

Education Approval Letter

Supplement Approval Letter

Request Approval Letter

Approval Letter Format

Mortgage Approval Letter

Practical Guide to Using Approval Letter

Approval Letter works best when written for a defined situation instead of copied word for word. Decide whether it will create a record, request action, confirm an understanding, or communicate a decision. That purpose determines what belongs in the message.

Choose the right example

Select a sample dealing with a formal request, decision, recommendation, or agreement. Compare its relationship, formality, and desired outcome with your circumstances. A company, school, employer, government office, customer, or personal contact may require different detail and wording.

Gather accurate information

Prepare the parties, purpose, supporting reasons, authority, scope, conditions, dates, and required response. Check spelling and figures against reliable records and arrange events in date order where useful. Verify uncertain facts instead of presenting assumptions as established information.

Use supporting material carefully

Attachments may include records, policies, examples, calculations, approvals, or other supporting material. Mention each attachment and label it clearly. Exclude unrelated records, and protect confidential, financial, or identifying information by using an appropriate delivery channel.

Write a clear opening and request

Explain the reason for writing in the first paragraph. Supply essential context in the middle and end with the precise action, response method, and reasonable deadline. This structure remains understandable if the letter is saved or forwarded.

Avoid common mistakes

lead with the purpose, explain the reasoning, and end with a precise next step. Avoid vague subjects, unexplained abbreviations, inconsistent dates, unsupported claims, excessive history, and copied placeholders. For legal, contractual, disciplinary, or financial consequences, consider qualified review.

Delivery and record keeping

Use email, post, hand delivery, or an official portal according to requirements. Retain the signed version, attachments, and proof of delivery. Follow up by citing the original date, subject, and reference number.

When to use Approval Letter

Use this letter when a conversation is not enough, when the recipient needs organized information, or when both sides may need a reliable record. It is useful when dates, responsibilities, decisions, payments, permissions, or promised actions must be stated accurately. Written correspondence also gives the reader time to review the facts and forward the matter to the correct person.

Do not use a formal letter merely to make a routine message look important. A short email or conversation may be better when no permanent record is needed. If the subject is urgent, contact the recipient promptly and use the letter as confirmation instead of waiting for delivery. For disputes, employment action, contracts, financial obligations, or legal rights, these examples offer general drafting help but do not replace advice tailored to the relevant rules.

Make the response easy

End with one practical next step. Provide the correct contact details, reference, and availability where appropriate. If requesting a reply by a particular date, allow reasonable time and explain why that date matters. Clear response instructions improve the chance of action without unnecessary clarification.

How to Write and Customize Approval Letter

Choose the example that best matches the decision or official request. Use it as a framework, rewrite the opening for the intended reader, and replace every placeholder with verified information.

Details to prepare

Collect authority, reference number, scope, effective dates, and conditions. Relevant facts make approval letter easier to assess and reduce follow-up questions. Remove confidential, outdated, or unrelated sample wording.

Tone and final review

Keep the language formal and precise. State the expected action clearly, check names, dates, figures, contact details and attachments, and retain a copy when the matter is important.

Related Letter Resources

20 Additional Approval Letters for Different Situations

These approval examples cover common workplace, finance, HR, procurement, training, travel, project and administrative decisions.

1. Annual Budget Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Department Head / Finance Team]
[Organization / Department]
[Address]

Subject: Approval of Annual Budget

Dear [Department Head / Finance Team],

This letter confirms approval of the annual budget for [department/project] totaling [amount].

The approval is based on the submitted budget dated [date] and the stated cost categories and assumptions. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please manage spending within the approved amount and follow normal financial controls. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

2. Purchase Request Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Requesting Employee / Procurement]
[Organization / Department]
[Address]

Subject: Approval of Purchase Request [Reference]

Dear [Requesting Employee / Procurement],

This letter confirms approval of purchase request [reference] for [item/service] up to [amount].

The purchase must follow the approved specification, vendor process, and budget code. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please proceed through procurement and retain the supporting purchase record. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

3. Overtime Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Employee / Supervisor]
[Organization / Department]
[Address]

Subject: Approval of Overtime

Dear [Employee / Supervisor],

This letter confirms approval of overtime of up to [hours] for [date/period].

The approval is limited to the stated work requirement and must be recorded in accordance with timekeeping policy. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please complete only the necessary overtime and submit accurate time records. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

4. Leave Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Employee]
[Organization / Department]
[Address]

Subject: Approval of Leave Request

Dear [Employee],

This letter confirms approval of leave from [start date] through [end date].

The approved return date is [date], subject to any policy requirement already communicated. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please complete the agreed handover and update the team if circumstances change. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

5. Remote Work Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Employee]
[Organization / Department]
[Address]

Subject: Approval of Remote Work Arrangement

Dear [Employee],

This letter confirms approval of remote work on [days/period].

The arrangement requires normal availability, performance, security, and communication standards and will be reviewed on [date]. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please follow the agreed schedule and maintain required availability. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

6. Project Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Project Lead]
[Organization / Department]
[Address]

Subject: Approval to Proceed With [Project]

Dear [Project Lead],

This letter confirms approval of the project described in proposal [reference/version].

Approval covers the stated scope, budget, timeline, and governance plan. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please begin the approved work and report material risks or changes through the agreed process. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

7. Vendor Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Procurement / Requesting Department]
[Organization / Department]
[Address]

Subject: Approval of Vendor [Name]

Dear [Procurement / Requesting Department],

This letter confirms approval of use of [vendor] for [goods/services].

The approval is subject to completed due diligence, agreed pricing, and contract or purchase-order requirements. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please complete the required commercial documentation before placing commitments. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

8. Business Travel Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Employee]
[Organization / Department]
[Address]

Subject: Approval of Business Travel

Dear [Employee],

This letter confirms approval of business travel to [destination] from [dates].

Approved costs are limited to policy-compliant transport, accommodation, and reasonable business expenses. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please make bookings through the approved process and submit receipts afterward. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

9. Training Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Employee]
[Organization / Department]
[Address]

Subject: Approval to Attend Training

Dear [Employee],

This letter confirms approval of attendance at [course/program] on [date].

The organization will cover [fee/time/approved expenses] as stated in the request. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please complete the training and provide any required attendance or learning record. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

10. Hiring Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Hiring Manager / HR Department]
[Organization / Department]
[Address]

Subject: Approval to Recruit [Role]

Dear [Hiring Manager / HR Department],

This letter confirms approval of recruitment for [position/title].

The role is approved within the authorized headcount and compensation range of [range if applicable]. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please begin recruitment using the approved job description and selection process. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

11. Salary Adjustment Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Employee / Payroll / HR]
[Organization / Department]
[Address]

Subject: Approval of Salary Adjustment

Dear [Employee / Payroll / HR],

This letter confirms approval of a salary adjustment for [employee/role] effective [date].

The new approved compensation is [amount/rate] in accordance with the authorized review. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please update the employment and payroll records using the confirmed effective date. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

12. Equipment Replacement Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[IT / Facilities / Employee]
[Organization / Department]
[Address]

Subject: Approval of Equipment Replacement

Dear [IT / Facilities / Employee],

This letter confirms approval of replacement of [equipment] for [user/location].

The replacement is approved up to [budget/specification] based on the documented condition or business need. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please obtain the replacement through the approved asset process and retire the old item correctly. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

13. Marketing Campaign Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Marketing Team]
[Organization / Department]
[Address]

Subject: Approval of Marketing Campaign

Dear [Marketing Team],

This letter confirms approval of the [campaign name] campaign scheduled for [period].

Approval covers the submitted channels, creative direction, claims, budget, and target audience. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please launch only after final compliance and brand checks are complete. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

14. Event Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Event Organizer / Team]
[Organization / Department]
[Address]

Subject: Approval of [Event Name]

Dear [Event Organizer / Team],

This letter confirms approval of the event planned for [date/location].

The event is approved subject to the submitted budget, venue rules, safety arrangements, and required permissions. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please proceed with preparations and report material changes before committing additional costs. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

15. Policy Exception Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Employee / Department]
[Organization / Department]
[Address]

Subject: Approval of Limited Policy Exception

Dear [Employee / Department],

This letter confirms approval of a one-time exception to [policy] for [specific reason].

The exception applies only to [scope/date/person] and does not create a general precedent. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please follow all remaining policy requirements and document the exception. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

16. Contract Renewal Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Contract Owner / Procurement]
[Organization / Department]
[Address]

Subject: Approval of Contract Renewal

Dear [Contract Owner / Procurement],

This letter confirms approval of renewal of the contract with [supplier/party] for [term].

Approval is subject to the confirmed price, service scope, performance review, and required signatures. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please complete the renewal documentation before the current agreement expires. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

17. Expense Reimbursement Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Employee / Finance]
[Organization / Department]
[Address]

Subject: Approval of Expense Reimbursement

Dear [Employee / Finance],

This letter confirms approval of reimbursement claim [reference] totaling [amount].

The approved amount reflects verified receipts and eligible expenses under the reimbursement policy. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please process the approved amount through the normal payment cycle. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

18. Scholarship Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Student / Applicant]
[Organization / Department]
[Address]

Subject: Approval of Scholarship Award

Dear [Student / Applicant],

This letter confirms approval of a scholarship award for [program/term] in the amount of [amount].

The award is subject to the stated enrollment, academic, conduct, or documentation conditions. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please complete the acceptance requirements by the stated deadline. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

19. Research Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Researcher / Project Lead]
[Organization / Department]
[Address]

Subject: Approval of Research Project

Dear [Researcher / Project Lead],

This letter confirms approval of the research project titled [title].

Approval applies to the submitted scope and any required ethics, safety, data, or institutional conditions. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please begin only after all required approvals and participant protections are in place. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

20. Maintenance Work Approval Letter

[Date]
[Your Name / Title]
[Organization]
[Address]
[Email Address] | [Phone Number]

[Facilities / Contractor]
[Organization / Department]
[Address]

Subject: Approval of Maintenance Work

Dear [Facilities / Contractor],

This letter confirms approval of maintenance work at [site] described in quotation or work order [reference].

The work is approved up to [amount] and must comply with access, safety, scheduling, and quality requirements. This approval applies only to the scope, dates, amount, or conditions stated here and does not automatically extend to later changes.

Please coordinate the work with the site contact and document completion. If circumstances or costs change materially, obtain further approval before proceeding.

Sincerely,

[Signature]
[Your Name]

Frequently Asked Questions

What should approval letter include?

Identify the decision or official request, explain the relevant facts, include authority, reference number, scope, effective dates, and conditions, and state the response or action required.

How formal should it be?

Use language that is formal and precise. Match the greeting to the recipient while keeping the purpose clear.

Can I edit these examples?

Yes. Replace all sample details, remove sections that do not apply, and add only the facts the recipient needs.

What should I check before sending?

Verify names, dates, figures, addresses, references, attachments, signature, and deadline. Proofread and keep a final copy.