The phrase "deadline for participating" is correct and usable in written English.
You can use it to refer to the date or time by which someone must complete an activity in order to be included. For example, "The deadline for participating in the company's employee raffle is tomorrow at 5 PM."
He again consulted lawyers but with the election date of October 21 approaching fast, just a few days remaining before the deadline for participating passed.
Those who have come forward have provided information about accounts holding from $10,000 to $100 million since the I.R.S. extended a Sept. 23 deadline for participating in the voluntary disclosure program, said Doug Shulman, the I.R.S. commissioner.
Thanks for participating, everybody.
Thank you for participating".
The Permanent Court for Arbitration has set a December 15 deadline for China to participate in the arbitration process that was called by the Philippines.
Today is the deadline for candidates who are participating in the public-finance program for the 2003 and 2005 elections to file reports showing all financial activity in their campaigns between July 12 , 2002 and Saturday.
Greek officials also said that the deadline to participate in the swap had been extended to April 20 for the investors who continued to hold out.
Federal District Judge Halbert O. Woodward granted their request to postpone a deadline for deciding whether to participate in Medicare, the Federal health insurance program for the elderly.
The Chinese authorities set a deadline of midnight Monday for those participating in the demonstrations to give themselves up or face severe penalties.
Officials organizing inauguration festivities extended the deadline for bands to apply to participate, but it didn't make any difference with the D.C.-area performers. .
May 3 was the deadline for insurers to file applications to participate in markets run by the federal government, but administration officials said they were still trying to expand the options available in states where they wanted more competition.
