"a request regarding" is a correct and usable phrase in written English.
You can use it when you want to express a request about a certain topic. Example: "We received a request regarding the recent changes to our company policy."
I responded to the email asking if this was a legitimate request regarding a referral, and if it wasn't, and was simply a marketing ploy, I asked to be removed from the list.
The Attorney General, in consultation with the Chairman, shall grant, deny, grant in part and deny in part, or propose modifications to an exemption request regarding a written agreement submitted under paragraph (2), in a written statement to the Secretary, within 15 business days of the receipt of such request.
The email should include a general description of the problem and a specific request regarding the academics.
The approval, by Judge Phyllis J. Hamilton of Federal District Court in Oakland, Calif., became public on Friday and mirrored the speed with which a similar request regarding the Swiss bank giant UBS was approved, by a different judge, in 2008.
The request for comments was limited to emerging technologies, with the Commerce Department indicating it would later issue a separate request regarding identification of foundational technologies.
DELAY SOUGHT The Securities and Exchange Commission is seeking more time to respond to a Congressional request regarding how the agency handled referrals about suspicious trading activity at the hedge fund SAC Capital Advisors.
Following a regulatory request regarding the tocilizumab development programme, immunogenicity testing was introduced to ACT-RAY while the study was ongoing.
In response to an information request regarding its purchases of stingray devices, the San Francisco Police Department provided heavily redacted records, including a 2012 grant proposal and shipping receipt showing the purchase of "specialized surveillance equipment" in 2007.
