How to write an authorisation letter - examples & expert tips.

Create a legally sound letter of authorisation to delegate responsibility, using clear steps and secure digital tools.

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Authorisation letter being signed by a professional man in a black jacket.

Published by Adobe Acrobat India on 4 April 2025

Agreements, Contracts, Digital Transformation

Create a professional letter of authorisation.

Grant legal authority with a clear, professional letter of authorisation - ensuring tasks are handled on your behalf with confidence.

Outline.

Define who is giving and receiving authority by clearly identifying all parties involved. Detail the specific tasks the authorised person can perform, along with any restrictions, and confirm the timeframe, including start and end dates or whether the authorisation applies to a single event.

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Draft.

Structure your letter professionally, starting with your contact information, date, recipient’s details, and a formal greeting. Clearly state the authorisation being granted, outline the responsibilities assigned, and include any relevant conditions like account details or ID requirements to prevent confusion.

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Sign.

Finalise your letter by signing it, and if necessary, arrange for the authorised person to sign as well. Consider having the letter notarised for added legal assurance, then securely share the document using tools like Adobe Acrobat to ensure it reaches the right people safely.

Find out more about e-signature solutions.

Steps to write a letter of authorisation - what to include:

1. Identify and detail the parties involved:

Clearly state your full name, address, and contact information as the person granting authority.
Provide the full name and contact details of the individual or organisation receiving authorisation.

2. Define the scope of authority:

Specify the tasks, decisions, or responsibilities the authorised person can carry out on your behalf.
Mention any limits - what they are not allowed to do, such as making certain financial commitments or legal decisions.

3. Set the timeframe:

Indicate the start and end dates for the authorisation, or confirm if it applies to a single action.
If it’s open-ended, state the conditions under which it will expire or can be revoked.

4. Include relevant supporting details:

Add specific references such as account numbers, transaction details, or medical conditions relevant to the authorisation.
Mention any identification requirements the authorised person must provide when acting on your behalf.

5. Draft the formal letter:

Begin with your contact details, date, recipient’s details, and a professional salutation.
Use clear, formal language to state the authorisation, outlining tasks, duration, and any restrictions.

6. Sign and validate the document:

Sign the letter and, if required, arrange for the authorised person to sign as well.
Consider having the letter witnessed or notarised, especially for financial or legal matters.

7. Review and distribute securely:

Proofread the letter for accuracy and completeness before sending it.
Use Adobe Acrobat to digitally sign the document and share it securely with the recipient or institution.

Frequently asked questions.

When is a letter of authorisation legally required?

A letter of authorisation is often legally required when granting permission to handle sensitive matters like financial transactions, medical decisions, or legal representation. It provides a formal record of consent.

Can I revoke a letter of authorisation after it’s issued?

Yes, you can revoke the authorisation at any time. Draft a formal revocation letter stating the cancellation of the previous authorisation, and share it with all relevant parties.

Should a letter of authorisation be notarised in India?

Notarisation is not always mandatory but is recommended for important matters like financial transactions, property dealings, or legal representation. It adds credibility and legal assurance.

Can I authorise multiple people in a single letter?

Yes, you can grant authority to more than one person within the same letter. Clearly specify the scope of tasks each individual is permitted to handle to avoid confusion.

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Disclaimer: This article is intended for informational purposes only and does not constitute legal, financial, or professional advice. While we strive to provide accurate and up-to-date information, laws and regulations in India can change frequently. Therefore, you should consult with a qualified legal professional to ensure that the information is applicable to your specific situation. Adobe disclaims any liability for any actions taken based on the content of this article. The materials provided are on an “as-is” basis without any warranties, either express or implied, including but not limited to warranties of accuracy, completeness, or fitness for a particular purpose.

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