The phrase "when it is expected" is correct and can be used in written English.
It can be used to refer to a time when something is expected or anticipated. For example, "The teacher said that the assignment is due when it is expected."
Every country has its national day when it is expected to do something special (the American national day here is today, June 14).
The same meal challenge will be repeated at the end of the study, when it is expected that its participants will have lost considerable weight despite having eaten more than the recommended amount of fat.
The figures came as the European Central Bank (ECB) prepared to meet later, when it is expected to maintain its benchmark interest rate at 0.5%.
The next milestone for the company comes on March 17, when it is expected to request that its union contracts be nullified altogether.
On Oct. 3, H.P. will hold its industry analyst day in San Francisco, when it is expected to spell out growth projections for the coming fiscal year, which begins Nov. 1.
Next year, when it is expected to get the first of its Airbus A380 superjumbo jets, the airline will extend the ban to them as well.
Best Buy is scheduled to report earnings on Tuesday, when it is expected to provide more details about its turnaround plans.
Best Buy is scheduled to report earnings on Tuesday, when it is expected to provide further detail on its own turnaround plans.
G.M. appears poised to exit bankruptcy as soon as Thursday, when it is expected to complete the sale of its best assets to a newly formed company that will be smaller and unencumbered by huge debts and liabilities.
Sotheby's is auctioning the painting in its evening sale of contemporary art on May 14, when it is expected to sell for $20 million to $30 million.
The council is to hold its next major review of sanctions on Iraq in October, when it is expected to move toward declaring Baghdad under long-term surveillance on nuclear arms, following the recommendations of the International Atomic Energy Agency.
