The phrase "a two-year window" is correct and usable in written English.
It can be used to refer to a specific period of two years during which certain events or actions are expected to occur.
Example: "The project must be completed within a two-year window to meet the funding requirements."
Alternatives: "a two-year period" or "a two-year timeframe".
On three occasions in the last 20 years, most recently in 1999, Congress has done so, opening a two-year window during which ministers who "irrevocably" dropped Social Security could return.
Washington has 11 players entering either restricted or unrestricted free agency, and this was considered the second season of what General Manager Brian MacLellan had called a two-year window for this group.
The summer that followed showed why Capitals General Manager Brian MacLellan believed 2017 represented the end of a two-year window for the team to win the Stanley Cup.
Managers believe that once the design phase is over, the firm has a two-year window during which it can invest the $800 million needed to build the plant.
May 10: The Capitals fall in yet another second-round series to the Penguins, going out with a whimper in a 2-0 loss in Game 7. The defeat concludes what General Manager Brian MacLellan had called a two-year window for the team and sets up an offseason of change, with 11 players entering either restricted or unrestricted free agency.
Cameron announced his intention to resign as prime minister by the time of the Conservative Party conference in October 2016 to allow his successor to negotiate the U.K. withdrawal under the terms of Article 50 of the Lisbon Treaty, which, when triggered, would open a two-year window for the exit process.
Generally, taxpayers have only a three-year window to claim a tax refund.
A Supreme Court ruling gave the agency a five-year window to seek repayment of money.
Farmers interested in applying the biocontrol nematodes through the Shields Lab rearing program at Cornell have only a three-year window to do so.
It takes three years from the first shovel of dirt to kickoff of the first game, so there's a five-year window to close a deal.
Apple and other multinationals based in Ireland are to be given a four-year window before the phasing out of a scheme that cuts their tax bills.
