The phrase "submit proof" is correct and usable in written English.
You can use it when you are asking someone to provide evidence for an assertion. For example, "In order to receive the loan, you need to submit proof of income."
To be eligible, borrowers must submit proof they are receiving unemployment insurance.
Each plaintiff must submit proof of medical history and presence at ground zero to guard against fraud.
Even then, manufacturers could be given 30 months longer to submit proof of safety and effectiveness, an F.D.A. official said.
Applicants should be required to submit proof that the claimed invention has been built and successfully tested.
The raided fraternities were ordered by the administration, on pain of suspension, to submit proof that their many members were not using or dealing in drugs.
Once they submit proof that they have paid all necessary capital gains taxes in their country of residence, the funds are released.
Shea Stadium was covered with blue and orange shingles back then, and the best way to order tickets was to submit proofs of purchase from Dairylea milk.
-- Urge partners to expedite the execution of funds donated by GER to the ANA TF aside from the prioritised projects and submit proofs of employment of funds in accordance with the US/NATO/SHAPE MoU as soon as possible.
You will also need to submit proof-of-payment for your existing plan to your new provider.
It charges $1,000 a year to post unlimited corrections, provided the subscriber submits proof of identity.
Two months later, she received another letter denying her entire claim because she had not submitted proof of illness.
