'for certifying' is correct and usable in written English.
You can use it to describe the purpose of a document, letter, or signature. For example, "The company required an official signature from a notary for certifying the document."
The assessor would be responsible for certifying the accuracy and completeness of the annual assessment roll.
When patches are added late, however, there may not be time for certifying them.
Who is responsible for certifying the winner of the primary election?
Iowa Republicans, although they do not provide for recounts in their caucuses, have a strong process for certifying their results.
Mosques would also be expected to have "uniform procedures" for carrying out marriages and standard documents for certifying them.
But in 1954, Senator Burnet R. Maybank died two days before the deadline for certifying the Democratic Party's nominee.
Mr. Cuomo included Mr. McCall in his criticism, ridiculing him for certifying a state budget dependent on questionable revenue estimates.
Making matters worse, the company missed an August deadline from the Securities and Exchange Commission for certifying its financial results.
Since the early 1970's, airlines themselves have been responsible for certifying the companies they hire to provide airport security.
The state's highest court has already overruled one lower court judge, Terry Lewis, when it extended the original deadline for certifying the votes.
His crimes raised troubling questions about the powers and responsibilities of the medical community in Britain and about the adequacy of procedures for certifying sudden death.
