confirm to vs confirm by

Both 'confirm to' and 'confirm by' are correct, but they are used in different contexts. 'Confirm to' is used when stating that something complies with a set of rules or standards, while 'confirm by' is used when indicating the method or means by which confirmation is achieved.

Last updated: March 30, 2024 • 2785 views

confirm to

This phrase is correct and commonly used in English.

Use 'confirm to' when you want to express that something complies with a set of rules or standards.

Examples:

The product must confirm to safety regulations before it can be sold.
Her actions did not confirm to the company's code of conduct.

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In conclusion could I also invite him to confirm to the House tonight what he said to the Legal Affairs Committee the other week, namely that the sales promotion regulation continues to have his full support and is entirely compatible with the suggested proposals.
I was able to confirm to Microsoft that in my view not one item of correspondence was indispensable for understanding the methodology applied in the report or for testing their technical correctness.
I can confirm to the House that the Commission has actively supported research activities in this area and will continue to do so.
I can only confirm to the questioner that we received the supplementary documentation from the complainant not long ago.
I can confirm to Parliament that we are working in conjunction with the Presidency on all of these matters.
Mr President, first of all I would like to confirm to Commissioner Almunia that 'one plus one' is not two but three if we do it together.
I should also like to confirm to Mr Jarzembowski that the communication on the noise of carriages is planned for the autumn of this year.
I would like to confirm to Mrs Terrón i Cusí that the Commission intends to set up a network of experts during spring 2003, thus following up the Brussels Declaration.
The Council can confirm to the Honourable Member that a number of Member States levy a charge for the usage of road infrastructure by motorists.
The Commission can confirm to the Honourable Member that OLAF opened an internal investigation recently regarding the suspicion of leaks from the SC or its secretariat.
The EFTA States should confirm to the Authority within one month of the notification of the decision to them that they agree to the appropriate measures proposed.
In such cases, the operator must confirm to the authority that the relevant entry has been made in the database.
The Commission can confirm to the Honourable Member that the facts in question are under criminal investigation in Italy and currently subject to judicial confidentiality (Article 329 of the Italian Criminal Code on preliminary investigations).
We must remain vigilant and active to ensure that the situation improves and I would like to confirm to the European Parliament my personal commitment and that of my services to ensuring the highest possible level of compliance with European Community environmental law.
I can confirm to Mr Eisma that we are working on indicators and, as I said in my first speech, I am expecting us to be able to produce something much more concrete in this respect in 1999.
I would like particularly to invite Mr Byrne to confirm to the House that the provisions of last week's Communication by President Prodi on simplifying and improving the regulatory environment will be applied in full to the extension of his proposal.
Of course, I would like to confirm to the representative of the Group of the Greens/European Free Alliance that I agree with many of the suggestions that you made in your speech.
Can he confirm to the House that this is no longer on the table?
With regard to the issue of extending the scope of the Unfair Commercial Practices Directive, I can, however, confirm to Mrs McCarthy that this Directive does not cover the cases described by the Committee on Internal Market and Consumer Protection.
Thus, in one way or another, I can confirm to Mr Posselt that these aspects will be dealt with at the appropriate time, in the framework of the projects and discussions on economic development between the two shores of the Mediterranean.

Alternatives:

comply with
adhere to
meet the requirements of
follow the guidelines of
be in accordance with

confirm by

This phrase is correct and commonly used in English.

Use 'confirm by' when you want to indicate the method or means by which confirmation is achieved.