letter of authorisation

USAGE SUMMARY

The phrase "letter of authorisation" is correct and usable in written English.
It can be used when referring to a formal document that grants permission or authority to someone to act on behalf of another person or organization. Example: "Please submit the letter of authorisation along with your application to ensure that we can process it without any delays."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

The Lithuanian border guards would accept our letter of authorisation.

The Guardian - Travel

Another is that every picket line would have to have a supervisor who would be compelled to wear an armband and carry a letter of authorisation.

Independent

Our first glimmer of hope came when the Latvian Embassy in London suggested that the Latvian border guards might accept a letter of authorisation from the British Embassy.

The Guardian - Travel

And civil liberty groups have warned that every worker wanting to join a strike picket could be forced to identify themselves to police, carry a letter of authorisation and wear an armband.

Independent

Fifteen years ago intercity travel was often a choice between slow, crowded trains or a perilous journey by car or bus on narrow rural roads (flying was for the privileged; until 1993 buying a plane ticket required a letter of authorisation from an employer).

The Economist

The government's proposed Trade Union Bill would initially require each picket to elect a supervisor, who would have to wear a colourful identifying armband, carry a letter of authorisation from their union, and identify themselves to police.

Vice

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

HSBC has refused to deal with either me or my MP despite signed letters of authorisation from my mother.

The Guardian - Money

It would become compulsory for picket-line supervisors to carry letters of authorisation and wear special armbands, under threat of a £20,000 fine.

The Guardian

De Mistura insisted the process for eastern Aleppo was different from the rest of Syria where formal letters of authorisation are required before aid can be delivered.

The Guardian

In 2013, letters of culling authorisation from licensing body Natural England (NE) stated that a minimum number had to "to be taken and killed", but in 2014 the same clause states a number "you should aim to kill".

The Guardian

If it is to "recover its voice and legitimacy as leader of the US capital markets", to use the words of his letter asking for authorisation for the changes sent out to the exchange's members, the exchange will have to do a lot and do it quickly.

The Economist

Expert writing Tips

Best practice

Ensure the "letter of authorisation" includes the full legal names, addresses, and contact information for both the authorizer and the authorised party, as well as a date and signature for validity.

Common error

Don't use a "letter of authorisation" when a more comprehensive delegation of authority is required. Authorisation is often limited in scope, whereas delegation implies broader responsibilities.

Linguistic Context

The phrase "letter of authorisation" functions primarily as a noun phrase, identifying a formal document that grants specific permissions or powers. As indicated by Ludwig, it is usable in written English. Examples show its use in contexts ranging from border crossings to union representation.

Expression frequency: Uncommon

Frequent in

News & Media

30%

Science

25%

Formal & Business

20%

Less common in

Wiki

15%

Reference

5%

Encyclopedias

5%

Ludwig's WRAP-UP

The phrase "letter of authorisation" refers to a formal document that grants permission or authority to someone to act on behalf of another person or organization. Ludwig AI confirms that the phrase is grammatically sound and appropriate for use in written English. While not extremely common, it appears most frequently in news and media, scientific, and formal business contexts. When using this phrase, ensure the document clearly states the scope, limitations, and duration of the authorisation. Common alternatives include "authorization letter" and "letter of authority".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

authorization letter

Reorders the words but retains the same meaning.

letter of authority

Substitutes "authorisation" with "authority", implying a source of control or command.

letter of permission

Replaces "authorisation" with "permission", focusing on allowance rather than formal empowerment.

official authorization

Emphasizes the formal and official nature of the authorization itself.

written authorization

Highlights the fact that the authorization is documented in writing.

formal approval letter

Uses "approval" instead of "authorisation" and specifies it is a letter.

permit letter

Condenses the phrase by using "permit" which implies authorisation.

credential letter

Focuses on the letter as a form of credential or proof of authorisation.

license letter

Specifies the authorisation as a license, implying a granted right.

official mandate

Changes the construction to use the noun "mandate" and emphasizes the official aspect.

FAQs

When is a "letter of authorisation" required?

A "letter of authorisation" is typically required when you need to grant someone permission to act on your behalf in a specific situation, such as collecting documents or representing you in a transaction.

What should be included in a "letter of authorisation"?

A "letter of authorisation" should include the names of both parties, the specific actions authorised, the duration of the authorisation, and the authoriser's signature. It is also advisable to include contact information for verification purposes.

What's the difference between a "letter of authorisation" and a power of attorney?

A "letter of authorisation" grants limited, specific powers, whereas a power of attorney grants broader legal authority. A power of attorney usually requires notarisation and registration, unlike a simple letter.

Are there alternatives to using a "letter of authorisation"?

Depending on the context, you might use a simple "letter of permission", a signed contract, or a formal legal document like a power of attorney. The best option depends on the scope and legal requirements of the authorisation.