The phrase "accepted deadline" is correct and usable in written English.
It can be used to refer to a deadline that has been agreed upon or acknowledged by all relevant parties.
Example: "The project must be completed by the accepted deadline to ensure timely delivery to the client."
Alternatives: "agreed deadline" or "acknowledged deadline".
"The tables really are turned," Jim Bock, Swarthmore's dean of admissions and financial aid, said of the race to persuade admitted students to commit before the nationally accepted deadline of May 1. Admissions officers have developed their own language, calling admitted students "specs" or "prospies," for prospective students.
Timeliness is assessed as submission of the reports by an accepted deadline.
India will not negotiate about Kashmir while intruders are on its soil, nor will it accept deadlines for resolving the issue even after they pull out, as Pakistan has also suggested.
At times, people seek and accept deadlines with consequences to realize their own goals (i.e. commitment devices).
The panel said that all sides had accepted the deadline of 5pm on 1 April.
If you've set or accepted a deadline, meet it.
In the summer they failed to make Mr Bush accept a deadline for withdrawing troops from Iraq.
Only in the much less serious cases of Somalia and Haiti has it dared to cut off funds to troops in the field, as it is now doing in Iraq by making further money dependent on the president's accepting a deadline to leave Iraq.
Main Events, Lewis's American promoter, said Tua had been offered $3.25 million, but had not accepted by the deadline of noon yesterday.
But the commission is warning millions of unregistered voters not to leave it too late as no application will be accepted beyond the deadline.
Because the film was such a late entrant, offered and accepted well past the deadline, arrangements in Cannes have been somewhat chaotic.
