The phrase "a deadline from" is correct and usable in written English.
It can be used when specifying the source or origin of a deadline, such as a person, organization, or document.
Example: "We received a deadline from the project manager to submit our reports by Friday."
Alternatives: "a deadline set by" or "a deadline issued by".
MINNEAPOLIS — A deadline from management to settle a nearly yearlong lockout of the Minnesota Orchestra players expired on Sunday, but both sides appeared willing to continue negotiations.
Protesters occupying land around St . Pauls Cathedral, part of a worldwide movement against economic inequality, defied a deadline from London authorities on Thursday to remove their sprawling encampment or face legal action.
WASHINGTON — Demonstrators affiliated with the Occupy movement maintained a wary vigil here on Monday as a deadline from the National Park Service for campers to remove their gear or depart from two downtown parks came and went.
Page A9 National PROTESTERS DEFY DEADLINE WITH LITTLE CONSEQUENCE Demonstrators affiliated with the Occupy movement in Washington, D.C., maintained a wary vigil as a deadline from the National Park Service for campers to remove their gear or depart from two downtown parks came and went with no immediate effort by police to clamp down on the campers.
After a semi-topless photo on Facebook costs her an entry-level gig in public relations, she faces a deadline from her parents: get it together in two months, or move out of the Carroll Gardens brownstone she shares with a quartet of friends, and back home to Switzerland.
Elections looming, international disapprobation heaped upon him and a deadline from the British government whooshing casually past like the expiry date on a coupon for a McDonald's cappuccino, he has the manicured and easy air of a man cast in an advert for successful pension planning.
So he disposes of the Democrats' insistence — since rescinded — on setting a deadline for withdrawal from Iraq.
He said that the company had lifted a deadline for a response from Bestfoods by this afternoon.
A deadline for winning concessions from the city's unions passed yesterday with no agreement.
In the summer they failed to make Mr Bush accept a deadline for withdrawing troops from Iraq.
Mr. Romney's advisers also said that he would never have announced a deadline for withdrawing troops from Afghanistan.
