"allows not only" is correct and usable in written English.
You can use it to introduce a contrastive statement. For example: "This new policy allows not only for more flexibility but also for greater accountability."
And a narrative structure was adopted that allows not only for extended but for infinite treatment.
This allows not only state institutions but also individuals to make complaints that then must at least be considered by the judicial authorities.
Israel's "law of return" allows not only Jews but their partners, children and grandchildren, who may not be technically Jewish, to claim Israeli citizenship.
Included software allows not only for simple transfer, but for easy editing of pops and clicks that might pass through the needle during playback.
"It's really important for us to see black people, African-Americans, in a life that allows not only the history and the culture, but to show love," she said.
Controlled research allows not only for testing of geophysical equipment, but also for updating search methodologies.
This allows not only the mass evolution of particles, but also their hydrogen content to be followed.
This is configurable and allows not only routing on the device, but also each logic block can be configured optimally.
Thus, predictive-driven MMP analysis allows not only identification of new (predicted) transformations but also confirmation of experimentally measured ones.
Belief functions theory allows not only the representation of the partial knowledge, but also the information fusion under uncertainty [33].
The determination of toxics allows not only to orientate the therapeutic management but also to strengthen preventive strategies against suicide.
