The phrase "a document confirming" is correct and usable in written English.
It can be used when referring to a document that serves to verify or validate information or an agreement.
Example: "Please provide a document confirming your attendance at the meeting."
Alternatives: "a certificate verifying" or "a paper attesting to".
On November 28th, while the electoral tribunal equivocated, Secretary of State Rex Tillerson signed a document confirming that the Hernández government had qualified for more aid money.
The Germans claimed that French women and children had been raped and killed by retreating French (black) troops, and demanded that Moulin sign a document confirming this.
When exercising any power (not just the search power under section 44) a CSO should if requested to do so produce a document confirming that he/she has been designated a CSO.
After denying to TechCrunch that Ektron had been sold, company president Tim McKinnon admitted in a later phone conversation that a sale had in fact happened, after a document confirming the deal began circulating online.
The laureates are given a sum of money when they receive their prizes, in the form of a document confirming the amount awarded.
The child's attorney, Sefen Guez Guez, tweeted Thursday that he had signed a document confirming that the boy was being prosecuted for "defending terrorism" — a claim denied by the police and education officials, who maintain Wednesday's questioning was informal.
(c) No immigrant or nonimmigrant visa issued before the effective date of this order shall be revoked pursuant to this order.
Meredith thinks she would have remembered if her mother was pregnant and thinks Maggie is lying until she finds a hospital document confirming the revelation.
(3) A fax document confirming the intention of the clinician to recruit the patient for the study.
**First, you need to report the matter to a local police precinct to provide you with an official document confirming your visa was lost.
"Not one source has seen a single official document confirming that Ivan the Terrible killed his son," he told the Moskovsky Komsomolets newspaper.
