The phrase "assigned until" is correct and usable in written English.
It can be used to indicate a specific time frame during which something is designated or allocated to someone or something.
Example: "The project is assigned until the end of the month, after which it will be reviewed."
Alternatives: "designated until" or "allocated until".
First, roles should not be assigned until they need to be activated; second, the authority for the role assignment should be distributed to participants in the processes.
This year, amid all the turmoil, many turning 5 cases were not assigned until late March.
The computer model will have certain choice seats marked out that will never be assigned until just before the flight because they are held for travelers who book late and therefore pay the highest price, even in the coach section.
In New York City, individual condominium units are recorded in property records by lot numbers that are not assigned until the building is nearly finished, long after many contracts are signed.
If you do not already know Java, you will need to learn it in the first couple weeks of the course (the first homework with programming will not be assigned until around Sept. 24).
If you do not already know Java, you will need to learn it in the first couple weeks of the course (the first homework with programming will not be assigned until around Sept. 22).
Many newly discovered asteroids still become "lost" because of an insufficiently long span of observations, but no new asteroids are assigned numbers until their orbits are reliably known.
But apparently, subjects do not always realize that their minds have wandered from the assigned text until the probe draws their attention to it.
Mostly white professionals, and many experienced in mentoring, they were prepared to follow their assigned children until the end of 2006, when the students would theoretically be settled in their new schools.
Subjects were kept blind about the assigned treatment until discharge.
Neither the patients, their caregivers, nor the researchers knew which group a patient had been assigned to until after the study.
