The phrase "allow a period" is correct and usable in written English.
It can be used in contexts where you are granting permission for a specific duration or time frame to occur.
Example: "We need to allow a period for the team to adjust to the new changes before evaluating their performance."
Alternatives: "permit a timeframe" or "grant a duration".
After receipt of such applications, the FCC will allow a period of 20 days for comments or objections in response to the notifications indicated.
Even then, they add, Beijing may wait another day or more to allow a period of mourning for the pilot, who has become a national hero, before letting the American crew go.
The Senate's chief whip, Luigi Zanda, asked on Wednesday to put off the bill for a week to allow "a period of reflection so we can pull the political threads back together".
The consortium is willing to negotiate a working arrangement that would reduce the $2.1 million joining fee, or allow a period to phase in the higher cost, he said.
Southeastern is justified in worrying that the role of the founder and largest shareholder will deter rival bids, despite the board's efforts to use independent advisers and allow a period to find a buyer at a higher price.
An anonymous buyer has been found – someone sympathetic to what has gone on here for so long and willing, therefore, to allow a period of grace before taking possession.
It is not healthy, it must be allowed a period to get on with things.
The government allowed a period of rigorous private competition – which ended, as all such cycles do, with the rise of a monopoly: Western Union.
On day 14, the pumps were surgically removed under halothane anesthesia and the animals were allowed a period of 6 h to recover before any behavioral testing.
Over the initial objections of the Governor and law enforcement officials, the bill allows a period of grace for checks of $2,500 or more, and shorter periods for smaller checks.
Room temperature was confirmed between 19-21oC throughout data acquisition and participants were allowed a period of acclimatization prior to measurement.
