The phrase "agreement which expires" is correct and usable in written English.
You can use it when referring to a contract or agreement that has a defined end date or duration after which it is no longer valid.
Example: "The agreement which expires at the end of the month must be renewed to continue our partnership."
Alternatives: "contract that ends" or "agreement that terminates."
First, he wants to secure an extension of the collective bargaining agreement, which expires in 2002.
The companies were in negotiations to renew the agreement, which expires next August.
Tuesday is the beginning of the final 100 days of the collective bargaining agreement, which expires March 3.
Under a "catch-up" agreement which expires in 2003-4, rents are increasing at 8.5% per year.
Baseball's collective bargaining agreement, which expires in December, does not include a provision that allows Commissioner Bud Selig to punish players for off-field matters.
The United Nations agreement, which expires on Dec. 31, is not the only source of legal justification for continued presence of American troops here.
Tenet denied it had violated the terms of the agreement, which expired several years ago.
The owners' proposal included a 50-50 revenue split with players, down from the 57 percent players received under the old collective bargaining agreement, which expired Sept. 15.
In making a belated start to their attempt to negotiate a new collective bargaining agreement, which expired Nov. 7, the sides met amid the fallout from reports that in 1995, Selig arranged for a $3 million loan for the Milwaukee Brewers from a financing firm owned by Carl Pohlad, owner of the Minnesota Twins.
In 1995, the cable companies, including Time Warner, cut a deal with the FCC, known as the "Social Contract", an actual agreement, which expired in 2001.
Still, the agreement -- which expires on May 31 , 2003-- ends the biggest labor dispute facing the mayor.
