The phrase "allowing additional" is correct and usable in written English.
It can be used when discussing the provision of extra options, resources, or opportunities in a particular context.
Example: "The new policy is designed to enhance flexibility, allowing additional time for project completion."
Alternatives: "permitting extra" or "enabling further".
For each course added to a schedule, a course "card" appears allowing additional actions.
Now process and design have been adapted to an industrial type production line, allowing additional improvements.
It proposes "allowing an optional section of the personal statement to be tailored to each choice and allowing additional personal statements in defined circumstances".
Wealthy suburbs across the country are full of supposed liberals who become viciously exclusionary when anyone proposes allowing additional housing in their towns.
The spores then dry out and contract, closing the shutter once again, and allowing additional air moisture to flow in and restart the process.
The longer inlet and exit ducts provide scope to further reduce engine noise by allowing additional acoustic liners, compared to conventional nacelles, to absorb the engine noise.
By 2 p.m., UC Berkeley police had blocked off the reading room and were not allowing additional people to enter, citing safety and fire-code regulations.
See Executive Order No. 13804, Allowing Additional Time for Recognizing Positive Actions by the Government of Sudan Amending Executive Order 13761 (July 11 , 2017, available here.
Senate Democrats could seek to counter the GOP move by allowing additional flexibility to the mandated cuts in domestic programs, similar to what the House bill would extend to defense cuts.
The novel 3D floating ring design largely corrects the inherent errors in the fixed ring design by allowing additional directions of unconstrained motion and producing uniform loading conditions along the length of the specimen.
It is shown by way of example that such objects can be further developed using standard fractal techniques to create new, more complex designs that retain the perceptual illusion, sometimes allowing additional illusions to emerge from the process.
