What is an approval letter?

An approval letter is a formal communication indicating acceptance or approval of a request, proposal, application, or plan.

When should an approval letter be used?

You should use an approval letter when you want to formally confirm acceptance of a request, project proposal, application, or plan.

What should be included in an approval letter?

It should include sender/recipient details, clear approval message, conditions or next steps, and a polite closing.

Can approval letters help maintain clarity?

Yes. Approval letters help ensure both parties have a clear, written acknowledgement of acceptance and any associated terms.

Reviewed by HR & Business Communication Experts Updated for 2026 Professional Communication Standards

What is Approval and how to write an Approval Letter or Email?

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Approval Email letter is written to a person or an organization to get the approval to proceed further in any task like an approval for a leave, approval for loan, approval for payment or purchase. Anyone can write an approval letter. Whether he is a student, employee or a business partner.

Uses of Approval letter or Email

In corporate world an approval letter is written by the employee to his senior to proceed further in the task on which they work on. Approval letter can be written for promotion and rise in salary, an approval letter for business trip, an approval letter for internship, an approval letter to release employee’s salary. A business partner can write an approval letter to his other partners for the approval of anything he wants to do or he wants to change.

Check out various Approval Letter Sample Template and Email Format given in Doc and PDF for quick download and easy uses:

Read more : What are Nomination and Know How to Write Nomination letter?

Author & Reviewer

This content is prepared and reviewed by HR and workplace communication professionals and is updated to reflect current professional Standards.

Explore more Topics of Approval Letter

Home Loan Pre Approval Letter

Sample Template

Date:________

Name of the Person
Address
City & State
___________________
___________________

Dear

We are informing you that our bank has received your application for Home Loan amounting to INR Rs.2000000.00 (Rupees Twenty Lac Only). We are happy to inform you that your Home Loan request has been approved and is currently being processed.

Further, we inform you that we have sent an email containing attached documents. Also we have sent you the terms and conditions of the loans sanctioned.

We would like to schedule your meeting with the finance officer of the company for any further information and clarifications that you might wish to know.

We are happy to be doing business with you.

Thanking you.

Sincerely yours,

Bank Authorized Person’s Name
& Designation

Leave Approval Letter

Sample Template

Date:_______

To,

Name of the Person
Designation

Sub: Request for Leave Approval

Dear

This letter is in regards to the application for leave of absence submitted by you at the beginning of the year. We are glad to inform you that the management has sanctioned your leave for ------- days. We have informed all the departments about your period of leave.

Please be noted that the accounts department is informed about your sanctioned leave. And it is ensured that your salary and other entitlements are correctly credited to your account.

On behalf of all the management team, I would like to extend best wishes for your leave. We Hope you will have a great time ahead.

"We have informed all the relevant departments and units about your period of leave."

Yours faithfully,

Authorized Person´s Name
Designation
Organization Name