The phrase "a practice that allows" is correct and usable in written English.
You can use it when describing a method or approach that enables or permits certain actions or behaviors.
Example: "Implementing a practice that allows for flexible work hours can improve employee satisfaction."
Alternatives: "a method that enables" or "an approach that permits".
Similarly, we should eliminate the "collateral source" rule - a practice that allows a victim to be paid twice for the same injury.
Many opponents worried that he would suggest a practice that allows the police to stop, question and pat down anyone who appears suspicious.
Judge Rakoff's ruling shook a central pillar of federal securities law, potentially upending a practice that allows the S.E.C. to settle hundreds of enforcement cases each year.
Description: Investigates the economics and finance of securitization, a practice that allows illiquid assets to be transformed into more liquid securities.
During Burris's tenure in the job, he helped pass a law regarding so-called "pre-need," a practice that allows advance purchasers of burial plots to pay for their final resting places in multiple installments.
Is a huge portion of the profit at some companies the ethereal stuff of mark-to-market accounting, a practice that allows the booking of possible future profits now rather than as they come in?
They also said the contract continued a practice that allowed Comair to schedule three days of back-to-back flying without letting pilots receive adequate rest.
Before these national companies arrived, trash cartel leaders in the city divided up the territory and then agreed not to compete for one another's customers, a practice that allowed them to inflate charges, prosecutors contend.
These include barring Viagogo from advising people seeking a refund to relist the tickets on its website to recoup their money, a practice that allowed the company to reap extra revenues by claiming a commission on the subsequent sale.
During the Depression residents of the Heavens paid the minimal fee of 15 cents for meals and a dollar per week for sleeping quarters, a practice that allowed them to maintain their sense of dignity.
To do that, prosecutors have charged, Milberg Weiss developed a coterie of associates who served as paid plaintiffs on call, a practice that allowed the firm to file cases first, get appointed to lead positions in a case and so gain the greater share of resulting attorneys' fees.
